Trouble shooting 16
OUTDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Forecast of Cause :
OKOK
Check Point 2: Replace Main PCB
Outdoor unit Main PCB
Compressor
Trip detection
If Check Point 1 do not improve the symptom, change Main PCB.
02-18
OKOK
Check Point 3: Replace Compressor
If Check Point 2 do not improve the symptom, change Compressor.
1. Outdoor unit fan operation defective, foreign matter on hear exchanger,
excessive rise of ambient temperature
2. Inverter PCB failure
3. Inverter compressor failure (lock, winding short)
"Protection stop by overcurrent generation after inverter compressor start
processing completed'' generated consecutively 10 times.
* The number of generations is reset if the start-up of
the compressor succeeds.
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 1 : Check the outdoor unit fan operation, heat exchanger, ambient temperature
Indicate or Display:
Refer to error code table.
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