Trouble shooting 5
INDOOR UNIT Error Method:
Indicate or Display:
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 30 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 ON/OFF switching operation by using a meter.
>> If Manual Auto Switch is disabled (on/off switching), replace it.
Check Point 2 : Replace Controller PCB and Indicator PCB
If Check Point 1 do not improve the symptom, replace Controller PCB and Indicator PCB
and execute the check operation again.
02-07
Refer to error code table.
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