Applicable Systems
GA700
GA500
A1000
V1000
J1000
Symptoms
Motor PG (encoder) disconnect: motor encoder signal lost.
Possible Causes
- Motor encoder cable broken
- Encoder hardware failure
- Connector loose
Troubleshooting Steps
- Step 1: Check encoder cable
Cable intact - Step 2: Verify encoder connector
Connector seated - Step 3: Verify encoder signal
Signal present
How to Reset
Reset via digital operator after encoder repair.
Source: Yaskawa GA700 Technical Manual, Yaskawa Electric
Category: PLC & VFD