Applicable Systems
GA700
GA500
A1000
V1000
J1000
Symptoms
Motor impedance three-phase imbalance detected.
Possible Causes
- Motor winding imbalance
- Motor connection fault
- Motor degradation
Troubleshooting Steps
- Step 1: Measure motor winding resistance
All phases balanced within 5% - Step 2: Check motor connections
All connections tight - Step 3: Verify motor condition
Motor healthy
How to Reset
Reset via digital operator after motor imbalance is corrected.
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Source: Yaskawa GA700 Technical Manual, Yaskawa Electric
Category: PLC & VFD
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