InverteriS7Verification pending — cross-check with the official manual
iS7 Fan Warning — Fan Warning
Alarm — operational, inspection needed· AUTO-RESET
CAUSE
Why does it occur?
- Fan problem detected with PRT-79 FAN Trip Mode set to 1 (Warning mode)
- Operation continues
REMEDY · Step by step
How to fix it?
- Check cooling fan
- Plan fan replacement
- Output via OUT31~33 No.8 Fan Warning
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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