dv4 · GA800 · Fault
For dv4 · GA800 · Fault, brand is Yaskawa; model / series is GA800; fault code is dv4; fault name is Inversion Prevention Detection; type is Fault, verified against its source on 2026-09-01.
- Brand
- Yaskawa
- Model / series
- GA800
- Fault code
- dv4 verified
- Fault name
- Inversion Prevention Detection verified
- Type
- Fault verified
- Cause
- An external force on the load side rotated the motor. verified
- Corrective action
- • Make sure that the motor is rotating in the correct direction. • Find and repair problems on the load side that cause the motor to rotate from the load side. • Disable detection of this fault for applications that rotate the motor from the load side in the opposite direction of the speed reference. The drive will not detect this fault if F1-19 = 0 [Deviation 4 Detection Selection = Disabled]. verified
What the source says
dv4 (0035) Inversion Prevention Detection Illuminated Fault 100
— 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
An external force on the load side rotated the motor.
Corrective action
• Make sure that the motor is rotating in the correct direction. • Find and repair problems on the load side that cause the motor to rotate from the load side. • Disable detection of this fault for applications that rotate the motor from the load side in the opposite direction of the speed reference. The drive will not detect this fault if F1-19 = 0 [Deviation 4 Detection Selection = Disabled].
— all from yaskawa.com, retrieved 2026-09-01
Source
- yaskawa.comhttps://www.yaskawa.com/delegate/getAttachment?documentId=TOEPYAIGA8001&cmd=documents&documentName=TOEPYAIGA8001.pdf