InverterS300Verification pending — cross-check with the official manual
S300 Control Fan Fault — Control Fan Fault
Alarm — operational, inspection needed
CAUSE
Why does it occur?
Occurs when a fault is detected in the internal circulation fan.
REMEDY · Step by step
How to fix it?
- Try cleaning the fan
- If it is still the same after cleaning, try replacing the fan
- If the alarm still occurs after fan replacement, inverter inspection is required
- See the automation service authorized dealer information
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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