oH · GA800 · Alarm
For oH · GA800 · Alarm, brand is Yaskawa; model / series is GA800; fault code is oH; fault name is Heatsink Overheat; type is Alarm, verified against its source on 2026-09-01.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- oH verified
- Fault name
- Heatsink Overheat verified
- Type
- Alarm verified
- Cause
- The ambient temperature is high and the heatsink temperature of the drive is more than the value set in L8-02 [Overheat Alarm 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
oH (0003) Heatsink Overheat 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 ambient temperature is high and the heatsink temperature of the drive is more than the value set in L8-02 [Overheat Alarm 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