Applicable Systems
Modicon M221
Modicon M241
Modicon M251
Modicon M340
Modicon M580
Altivar
Symptoms
Output phase loss 2: three-phase motor phase loss.
Possible Causes
- Motor phase not connected
- Output cable loose
- Motor terminal box fault
Troubleshooting Steps
- Step 1: Check motor connections at terminal box
All connections tight - Step 2: Verify output cable
Cable intact - Step 3: Test all three output phases
All phases present
How to Reset
Reset via control panel after fixing output phase.
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Source: Schneider Electric ATV320 Programming Manual
Category: PLC & VFD
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