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02-05
Trouble shooting 3
INDOOR UNIT
INDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Forecast of Cause :
OKOK
Manual auto switch error
Indoor unit Controller PCB
Indicator PCB
Manual auto switch
When the Manual auto switch becomes ON for consecutive 60 or
more seconds.
1. Manual auto switch failure 2.Controller PCB and Indicator PCB failure
Check Point 1 : Check the Manual auto switch
Check if Manual auto switch is kept pressed.
Check Point 2 : Replace Controller PCB
If Check Point 1 do not improve the symptom, change Controller PCB and Indicator PCB.
Check ON/OFF switching operation by using a meter.
>>If Manual Auto Switch is disabled (on/off switching), replace it.
Indicate or Display:
Refer to error code table.