Applicable Systems
GA700
GA500
A1000
V1000
J1000
Symptoms
Low-speed out-of-step: motor lost synchronization at low speed.
Possible Causes
- Load too high at low speed
- Motor parameters wrong
- Insufficient torque at low speed
Troubleshooting Steps
- Step 1: Check load at low speed
Load within capability - Step 2: Verify motor parameters
Parameters match motor - Step 3: Adjust low-speed boost
Torque sufficient
How to Reset
Reset via digital operator after motor resynchronizes.
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Source: Yaskawa GA700 Technical Manual, Yaskawa Electric
Category: PLC & VFD
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