STPo · GA800 · Fault
For STPo, model / series is GA800; type is Fault; brand is Yaskawa; fault name is Motor Step-Out Detected; cause is The motor code is set incorrectly for PM Control Methods, verified against its source on 2026-10-10.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- STPo verified
- Fault name
- Motor Step-Out Detected verified
- Type
- Fault verified
- Cause
- The motor code is set incorrectly for PM Control Methods. verified
- Corrective action
- • Set E5-01 [PM Motor Code Selection] correctly as specified by the motor. • For specialized motors, refer to the motor test report and set E5- xx correctly. verified
What the source says
STPo (0037) Motor Step-Out Detected Illuminated Fault 121
— 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 motor code is set incorrectly for PM Control Methods.
Corrective action
• Set E5-01 [PM Motor Code Selection] correctly as specified by the motor. • For specialized motors, refer to the motor test report and set E5- xx correctly.
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf