InverteriS7Verification pending — cross-check with the official manual
iS7 Encoder Trip — Encoder Trip
Trip — immediate stop
CAUSE
Why does it occur?
- Encoder wire check (PRT-
- enabled and abnormality detected for set period (PRT-78). Option card or encoder wiring fault.
REMEDY · Step by step
How to fix it?
- Check encoder wiring (line drive)
- Verify encoder option card is mounted
- Check PRT-77/78 settings
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
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