InverteriS7Verification pending — cross-check with the official manual
iS7 toPTC Trip — toPTC Trip
Trip — immediate stop
CAUSE
Why does it occur?
- External temperature sensor resistance exceeds prescribed value
- Motor overheat detected via PTC sensor
REMEDY · Step by step
How to fix it?
- Check motor temperature
- Check PTC sensor connection
- Set PRT-34 to non-zero for operation resume
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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