Applicable Systems
GA700
GA500
A1000
V1000
J1000
Symptoms
Main circuit voltage abnormal: voltage out of range.
Possible Causes
- Mains voltage too high or low
- Transient voltage event
- Input phase loss
Troubleshooting Steps
- Step 1: Measure mains voltage
Voltage within rated range - Step 2: Check for transients
Voltage stable - Step 3: Verify all input phases
All phases present
How to Reset
Reset via digital operator after voltage normalizes.
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Source: Yaskawa GA700 Technical Manual, Yaskawa Electric
Category: PLC & VFD
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