InverteriS7Verification pending — cross-check with the official manual
iS7 Lost Keypad (Alarm) — Lost Keypad
Alarm — operational, inspection needed· AUTO-RESET
CAUSE
Why does it occur?
- Keypad communication problem detected with PRT-11 Lost KPD Mode set to 0
- Warning only, no trip
REMEDY · Step by step
How to fix it?
- Check keypad cable connection
- Output via OUT31~33 No.29 Lost Keypad
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
CALLBACK