{
  "name": "Residential gas furnace fault code lookup by brand",
  "description": "What the flashing-LED or displayed fault code on a residential gas furnace's integrated control board means, taken from each manufacturer's own manual. A furnace tech reads a blink pattern or a short alphanumeric code off the control board and needs the manufacturer-specific meaning before touching anything; the code alone (e.g. '13', 'A033_F') means nothing without knowing whose board it is. Codes look alike across brands and mean different things: 13 on a Carrier 58MVP is a limit switch lockout, while e13 on a Trane S8V2 is a blower horsepower or OEM ID mismatch. Each record is one fault code from one brand's control board: the code as the board displays it, and the fault the manual names beside it. The corrective procedure is not reproduced here; the linked manual has it. No single source publishes this across brands because each manufacturer's control board firmware defines its own code set independently.",
  "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/",
  "licence": "factual compilation from manufacturer technical manuals",
  "last_verified": "2026-08-28",
  "stale_after": "2028-08-27",
  "sources": [
    "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
    "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
    "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf"
  ],
  "records": [
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "11",
      "fault_name": "NO FAULT IN RECENT HISTORY DISPLAY",
      "id": "58mvp-carrier-11",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-11/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 11 NO FAULT IN RECENT HISTORY DISPLAY",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "12",
      "fault_name": "BLOWER CALIBRATION LOCKOUT",
      "id": "58mvp-carrier-12",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-12/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 12 BLOWER CALIBRATION LOCKOUT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "13",
      "fault_name": "LIMIT SWITCH LOCKOUT",
      "id": "58mvp-carrier-13",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-13/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 13 LIMIT SWITCH LOCKOUT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "14",
      "fault_name": "IGNITION LOCKOUT",
      "id": "58mvp-carrier-14",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-14/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 14 IGNITION LOCKOUT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "21",
      "fault_name": "INVALID MODEL SELECTION",
      "id": "58mvp-carrier-21",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-21/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 21 INVALID MODEL SELECTION",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "22",
      "fault_name": "SETUP ERROR",
      "id": "58mvp-carrier-22",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-22/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 22 SETUP ERROR",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "23",
      "fault_name": "INVALID BLOWER AIRFLOW SELECTION",
      "id": "58mvp-carrier-23",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-23/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 23 INVALID BLOWER AIRFLOW SELECTION",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "24",
      "fault_name": "SECONDARY VOLTAGE FUSE IS OPEN",
      "id": "58mvp-carrier-24",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-24/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 24 SECONDARY VOLTAGE FUSE IS OPEN",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "31",
      "fault_name": "HIGH-PRESSURE SWITCH FAULT",
      "id": "58mvp-carrier-31",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-31/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 31 HIGH-PRESSURE SWITCH FAULT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "32",
      "fault_name": "LOW-PRESSURE SWITCH FAULT",
      "id": "58mvp-carrier-32",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-32/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 32 LOW-PRESSURE SWITCH FAULT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "33",
      "fault_name": "LIMIT SWITCH FAULT",
      "id": "58mvp-carrier-33",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-33/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 33 LIMIT SWITCH FAULT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "34",
      "fault_name": "IGNITION PROVING FAULT",
      "id": "58mvp-carrier-34",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-34/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 34 IGNITION PROVING FAULT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "41",
      "fault_name": "BLOWER OUTSIDE VALID SPEED RANGE",
      "id": "58mvp-carrier-41",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-41/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 41 BLOWER OUTSIDE VALID SPEED RANGE",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "42",
      "fault_name": "INDUCER OUTSIDE VALID SPEED RANGE",
      "id": "58mvp-carrier-42",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-42/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 42 INDUCER OUTSIDE VALID SPEED RANGE",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "43",
      "fault_name": "PRESSURE SWITCH CALIBRATION FAULT",
      "id": "58mvp-carrier-43",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-43/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 43 PRESSURE SWITCH CALIBRATION FAULT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Carrier",
      "model_series": "58MVP",
      "fault_code": "44",
      "fault_name": "BLOWER CALIBRATION FAULT",
      "id": "58mvp-carrier-44",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/58mvp-carrier-44/",
      "source": "http://www.graycoolingman.com/uploads/1/0/6/6/10667336/carrier_variable-speed_2-stage_troubleshooting.pdf",
      "source_quote": "Fault Code 44 BLOWER CALIBRATION FAULT",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A001_F",
      "fault_name": "Model Data Configuration Error",
      "id": "communicating-furnace-rheem-a001-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a001-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A001_F Model Data Configuration Error",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A002_F",
      "fault_name": "Blower Coefficient Configuration Error",
      "id": "communicating-furnace-rheem-a002-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a002-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A002_F Blower Coefficient Configuration Error",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A011_F",
      "fault_name": "Failed Ignition",
      "id": "communicating-furnace-rheem-a011-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a011-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A011_F Failed Ignition",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A013_F",
      "fault_name": "Flame Lost after Established",
      "id": "communicating-furnace-rheem-a013-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a013-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A013_F Flame Lost after Established",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A014_F",
      "fault_name": "Flame Present with Gas Valve Off",
      "id": "communicating-furnace-rheem-a014-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a014-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A014_F Flame Present with Gas Valve Off",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A022_F",
      "fault_name": "Main Limit Switch Open",
      "id": "communicating-furnace-rheem-a022-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a022-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A022_F Main Limit Switch Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A031_F",
      "fault_name": "Open Fuse",
      "id": "communicating-furnace-rheem-a031-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a031-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A031_F Open Fuse",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A033_F",
      "fault_name": "Roll-Out Switch Alarm",
      "id": "communicating-furnace-rheem-a033-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a033-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A033_F Roll-Out Switch Alarm",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A044_F",
      "fault_name": "Inducer Lo Pressure Switch Won't Open",
      "id": "communicating-furnace-rheem-a044-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a044-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A044_F Inducer Lo Pressure Switch Won't Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A047_F",
      "fault_name": "Inducer Fan 5 Minute Lockout",
      "id": "communicating-furnace-rheem-a047-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a047-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A047_F Inducer Fan 5 Minute Lockout",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A055_F",
      "fault_name": "Inducer Hi Pressure Switch Won't Open",
      "id": "communicating-furnace-rheem-a055-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a055-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A055_F Inducer Hi Pressure Switch Won't Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A061_F",
      "fault_name": "Blower Fault - Motor Cannot Run",
      "id": "communicating-furnace-rheem-a061-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a061-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A061_F Blower Fault - Motor Cannot Run",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A093_F",
      "fault_name": "Internal Control Fault Detected",
      "id": "communicating-furnace-rheem-a093-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a093-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A093_F Internal Control Fault Detected",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A111_F",
      "fault_name": "One-hour Lockout: Main Limit Switch",
      "id": "communicating-furnace-rheem-a111-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a111-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A111_F One-hour Lockout: Main Limit Switch",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A113_F",
      "fault_name": "One-hour Lockout: Ignition Failure",
      "id": "communicating-furnace-rheem-a113-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a113-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A113_F One-hour Lockout: Ignition Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A114_F",
      "fault_name": "One-hour Lockout: Flame Lost Failure",
      "id": "communicating-furnace-rheem-a114-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a114-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A114_F One-hour Lockout: Flame Lost Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A115_F",
      "fault_name": "One-hour Lockout: Gas Valve Stuck Closed",
      "id": "communicating-furnace-rheem-a115-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a115-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A115_F One-hour Lockout: Gas Valve Stuck Closed",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A116_F",
      "fault_name": "One-hour Lockout: Flame Presence Alarm",
      "id": "communicating-furnace-rheem-a116-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a116-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A116_F One-hour Lockout: Flame Presence Alarm",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A117_F",
      "fault_name": "Detect RPM Motor Failure",
      "id": "communicating-furnace-rheem-a117-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a117-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A117_F Detect RPM Motor Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A126_F",
      "fault_name": "Flame not Sensed with Gas Valve On - UL",
      "id": "communicating-furnace-rheem-a126-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a126-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A126_F Flame not Sensed with Gas Valve On - UL",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A127_F",
      "fault_name": "Flame Present with Gas Valve Off - UL",
      "id": "communicating-furnace-rheem-a127-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a127-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A127_F Flame Present with Gas Valve Off - UL",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A221_F",
      "fault_name": "Configuration Data Restore Failure",
      "id": "communicating-furnace-rheem-a221-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a221-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A221_F Configuration Data Restore Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A222_F",
      "fault_name": "Model Data Restore Failure",
      "id": "communicating-furnace-rheem-a222-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a222-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A222_F Model Data Restore Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A223_F",
      "fault_name": "Internal Fault: Monitor Chip Comm Failure",
      "id": "communicating-furnace-rheem-a223-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a223-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A223_F Internal Fault: Monitor Chip Comm Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A224_F",
      "fault_name": "Flame Status Circuit Failure",
      "id": "communicating-furnace-rheem-a224-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a224-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A224_F Flame Status Circuit Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A225_F",
      "fault_name": "Internal Fault: Gas Vlv 1 Rly Welded Shut",
      "id": "communicating-furnace-rheem-a225-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a225-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A225_F Internal Fault: Gas Vlv 1 Rly Welded Shut",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A226_F",
      "fault_name": "Internal Fault: Gas Vlv 1 Rly Stuck Open",
      "id": "communicating-furnace-rheem-a226-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a226-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A226_F Internal Fault: Gas Vlv 1 Rly Stuck Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A227_F",
      "fault_name": "Internal Fault: Gas Vlv 2 Rly Welded Shut",
      "id": "communicating-furnace-rheem-a227-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a227-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A227_F Internal Fault: Gas Vlv 2 Rly Welded Shut",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "A228_F",
      "fault_name": "Internal Fault: Gas Vlv 2 Rly Stuck Open",
      "id": "communicating-furnace-rheem-a228-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-a228-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "A228_F Internal Fault: Gas Vlv 2 Rly Stuck Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T013_F",
      "fault_name": "Flame Lost after Established",
      "id": "communicating-furnace-rheem-t013-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t013-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T013_F Flame Lost after Established",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T022_F",
      "fault_name": "Main Limit Switch Open",
      "id": "communicating-furnace-rheem-t022-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t022-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T022_F Main Limit Switch Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T045_F",
      "fault_name": "Inducer Lo Pressure Switch Won't Close",
      "id": "communicating-furnace-rheem-t045-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t045-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T045_F Inducer Lo Pressure Switch Won't Close",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T047_F",
      "fault_name": "Inducer Fan 5 Minute Lockout",
      "id": "communicating-furnace-rheem-t047-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t047-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T047_F Inducer Fan 5 Minute Lockout",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T055_F",
      "fault_name": "Inducer Hi Pressure Switch Won't Open",
      "id": "communicating-furnace-rheem-t055-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t055-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T055_F Inducer Hi Pressure Switch Won't Open",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T057_F",
      "fault_name": "Inducer Hi Pressure Switch Won't Close",
      "id": "communicating-furnace-rheem-t057-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t057-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T057_F Inducer Hi Pressure Switch Won't Close",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T081_F",
      "fault_name": "Return Air Sensor Fault",
      "id": "communicating-furnace-rheem-t081-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t081-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T081_F Return Air Sensor Fault",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T082_F",
      "fault_name": "Supply Air Sensor Fault",
      "id": "communicating-furnace-rheem-t082-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t082-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T082_F Supply Air Sensor Fault",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T084_F",
      "fault_name": "Outdoor Air Sensor Fault",
      "id": "communicating-furnace-rheem-t084-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t084-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T084_F Outdoor Air Sensor Fault",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T085_F",
      "fault_name": "Suction Line Temp Thermistor Failure",
      "id": "communicating-furnace-rheem-t085-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t085-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T085_F Suction Line Temp Thermistor Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T086_F",
      "fault_name": "Suction Pressure Sensor Failure",
      "id": "communicating-furnace-rheem-t086-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t086-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T086_F Suction Pressure Sensor Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T087_F",
      "fault_name": "Power Board Temp Sensor Fault",
      "id": "communicating-furnace-rheem-t087-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t087-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T087_F Power Board Temp Sensor Fault",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T088_F",
      "fault_name": "EXV Sensor Measurement Error",
      "id": "communicating-furnace-rheem-t088-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t088-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T088_F EXV Sensor Measurement Error",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Rheem",
      "model_series": "Communicating Furnace",
      "fault_code": "T117_F",
      "fault_name": "Detect RPM Motor Failure",
      "id": "communicating-furnace-rheem-t117-f",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/communicating-furnace-rheem-t117-f/",
      "source": "https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf",
      "source_quote": "T117_F Detect RPM Motor Failure",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e2.2",
      "fault_name": "Recycles exceeded (Flame sensed then lost, one hour lockout after 10 times)",
      "id": "s8v2-trane-e2-2",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e2-2/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e2.2 Recycles exceeded (Flame sensed then lost, one hour lockout after 10 times)",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e2.3",
      "fault_name": "1st stage gas valve not energized when it should be (10 times)",
      "id": "s8v2-trane-e2-3",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e2-3/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e2.3 1st stage gas valve not energized when it should be (10 times)",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e3.2",
      "fault_name": "Open pressure switch, 1st stage",
      "id": "s8v2-trane-e3-2",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e3-2/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e3.2 Open pressure switch, 1st stage",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e3.3",
      "fault_name": "Shorted pressure switch, 2nd stage",
      "id": "s8v2-trane-e3-3",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e3-3/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e3.3 Shorted pressure switch, 2nd stage",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e3.4",
      "fault_name": "Open pressure switch, 2nd stage",
      "id": "s8v2-trane-e3-4",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e3-4/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e3.4 Open pressure switch, 2nd stage",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e4.0",
      "fault_name": "Open high limit switch",
      "id": "s8v2-trane-e4-0",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e4-0/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e4.0 Open high limit switch",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e4.1",
      "fault_name": "Open reverse air-flow limit switch",
      "id": "s8v2-trane-e4-1",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e4-1/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e4.1 Open reverse air-flow limit switch",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e4.2",
      "fault_name": "Open roll-out limit switch",
      "id": "s8v2-trane-e4-2",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e4-2/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e4.2 Open roll-out limit switch",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e05",
      "fault_name": "Flame detected when it should not be present",
      "id": "s8v2-trane-e05",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e05/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e05 Flame detected when it should not be present",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e6.1",
      "fault_name": "Voltage reversed polarity",
      "id": "s8v2-trane-e6-1",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e6-1/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e6.1 Voltage reversed polarity",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e6.2",
      "fault_name": "Bad grounding",
      "id": "s8v2-trane-e6-2",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e6-2/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e6.2 Bad grounding",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e7.2",
      "fault_name": "Redundant relay (HLO output) energized when it should not be",
      "id": "s8v2-trane-e7-2",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e7-2/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e7.2 Redundant relay (HLO output) energized when it should not be",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e08",
      "fault_name": "Low flame sense. Current is low but strong enough for operation",
      "id": "s8v2-trane-e08",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e08/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e08 Low flame sense. Current is low but strong enough for operation",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e12",
      "fault_name": "Open fuse",
      "id": "s8v2-trane-e12",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e12/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e12 Open fuse",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e13",
      "fault_name": "Blower HP or OEM ID do not match furnace",
      "id": "s8v2-trane-e13",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e13/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e13 Blower HP or OEM ID do not match furnace",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e14",
      "fault_name": "Configuration file error",
      "id": "s8v2-trane-e14",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e14/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e14 Configuration file error",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e17",
      "fault_name": "Blower communication error",
      "id": "s8v2-trane-e17",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e17/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e17 Blower communication error",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e23",
      "fault_name": "Menu parameters not received by CCM",
      "id": "s8v2-trane-e23",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e23/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e23 Menu parameters not received by CCM",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e24",
      "fault_name": "Internal communication error between the ACM and CCM",
      "id": "s8v2-trane-e24",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e24/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e24 Internal communication error between the ACM and CCM",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    },
    {
      "brand": "Trane",
      "model_series": "S8V2",
      "fault_code": "e25",
      "fault_name": "Orientation sensor out of bounds",
      "id": "s8v2-trane-e25",
      "url": "https://referencesource.org/residential-furnace-fault-codes-by-brand/s8v2-trane-e25/",
      "source": "https://elibrary.tranetechnologies.com/public/residential-hvac/Literature/Installation%20Operation%20and%20Maintenance/FNR-SVX003A-EN_10312025.pdf",
      "source_quote": "e25 Orientation sensor out of bounds",
      "verified_fields": [
        "fault_code",
        "fault_name"
      ]
    }
  ]
}