oH1 · GA800 · Fault
For oH1, model / series is GA800; type is Fault; brand is Yaskawa; fault name is Heatsink Overheat; cause is The ambient temperature is high and the heatsink temperature of the drive is more than the oH1 detection level, verified against its source on 2026-10-10.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- oH1 verified
- Fault name
- Heatsink Overheat verified
- Type
- Fault verified
- Cause
- The ambient temperature is high and the heatsink temperature of the drive is more than the oH1 detection level. verified
- Corrective action
- • Measure the ambient temperature. • Increase the airflow in the control panel. • Install a cooling device (cooling fan or air conditioner) to lower the ambient temperature. • Remove objects near the drive that are producing too much heat. verified
What the source says
oH1 (000A) Heatsink Overheat Illuminated Fault 115
— yaskawa.com, retrieved 2026-09-01
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Cause
The ambient temperature is high and the heatsink temperature of the drive is more than the oH1 detection level.
Corrective action
• Measure the ambient temperature. • Increase the airflow in the control panel. • Install a cooling device (cooling fan or air conditioner) to lower the ambient temperature. • Remove objects near the drive that are producing too much heat.
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf