LT-4 · GA800 · Alarm
For LT-4 · GA800 · Alarm, brand is Yaskawa; model / series is GA800; fault code is LT-4; fault name is IGBT Maintenance Time (50%); type is Alarm, verified against its source on 2026-09-01.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- LT-4 verified
- Fault name
- IGBT Maintenance Time (50%) verified
- Type
- Alarm verified
- Cause
- The IGBT is at 50% of its expected performance life. verified
- Corrective action
- Check the load, carrier frequency, and output frequency. verified
What the source says
LT-4 (0044) IGBT Maintenance Time (50%) Flashing Alarm 130
— 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 IGBT is at 50% of its expected performance life.
Corrective action
Check the load, carrier frequency, and output frequency.
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf