rH · GA800 · Fault
For rH, model / series is GA800; type is Fault; brand is Yaskawa; fault name is Braking Resistor Overheat; cause is The deceleration time is too short and excessive regenerative energy is flowing back into the drive, verified against its source on 2026-10-10.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- rH verified
- Fault name
- Braking Resistor Overheat verified
- Type
- Fault verified
- Cause
- The deceleration time is too short and excessive regenerative energy is flowing back into the drive. verified
- Corrective action
- • Check the load level, deceleration time, and speed. • Decrease the load. • Increase the values set in C1-02, C1-04, C1-06, or C1-08 [Deceleration Times]. • Use a dynamic braking option that lets you use more power. verified
What the source says
rH (0010) Braking Resistor Overheat Illuminated Fault 120
— 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 deceleration time is too short and excessive regenerative energy is flowing back into the drive.
Corrective action
• Check the load level, deceleration time, and speed. • Decrease the load. • Increase the values set in C1-02, C1-04, C1-06, or C1-08 [Deceleration Times]. • Use a dynamic braking option that lets you use more power.
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf