Uv · GA800 · Alarm
For Uv, model / series is GA800; type is Alarm; brand is Yaskawa; fault name is Undervoltage; cause is The drive input power voltage is changing too much, verified against its source on 2026-10-10.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- Uv verified
- Fault name
- Undervoltage verified
- Type
- Alarm verified
- Cause
- The drive input power voltage is changing too much. verified
- Corrective action
- • Examine the input power for problems. • Make the drive input power stable. • If the input power supply is good, examine the magnetic contactor on the main circuit side for problems. verified
What the source says
Uv (0001) Undervoltage Flashing Alarm 134
— 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 drive input power voltage is changing too much.
Corrective action
• Examine the input power for problems. • Make the drive input power stable. • If the input power supply is good, examine the magnetic contactor on the main circuit side for problems.
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf