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2-15. E: 94. Trip detection (Outdoor unit)
Indicator
Indoor unit
Detective actuator
Outdoor unit
Forecast of cause
Check point 1. Check the outdoor unit fan operation, heat-exchanger, ambient temperature
•
No obstructions in air passages?
•
Heat exchange fins clogged
•
Outdoor unit fan motor check
•
Ambient temperature not raised by the effect of other heat sources?
•
Discharged air not sucked in?
Check point 2. Replace the main PCB
If Check point 1 do not improve the symptom, replace the main PCB.
Check point 3. Replace compressor
If Check point 2 do not improve the symptom, change compressor.
2-15. E: 94. Trip detection (Outdoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
Main PCB
Compressor
↓
↓
↓
End
Continuous flash
Protection stop by over-current generation after inverter
compressor start processing completed generated
consecutively 10 times.
NOTE: The number of generations is reset when the
compressor starts up.
Outdoor unit fan operation defective, foreign matter on
heat-exchanger, excessive rise of ambient temperature
Main PCB failure
Inverter compressor failure (lock, winding short)
- (03-21) -
9 time flash
4 time flash
E: 94
2. Troubleshooting with error code
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