Indicate or Display:
Refer to error code table.
02-15
Detective Actuators:
Detective details:
Forecast of Cause :
Indoor unit Controller PCB
Limit switch
When the limit switch detects open and close at the simultaneous.
1. Limit switch failure 2. Shorted connector/ wire 3. Controller PCB failure
Check Point 2 : Check Point 2 : Check Connector (CN18) / Wire
Check Point 1 : Check Limit switch
Check Point 3 : Replace Controller PCB
OKOK
Check operation of limit switch. (any blocking by dust, etc.)
Remove Limit switch and check ON/OFF switching operation by using a meter.
>>If Limit switch is detective, replace it.
Check loose contact of CN18 /shorted wire (pinched wire).
>>Replace Limit switch if the wire is abnormal
OKOK
If Check Point 1 & 2 do not improve the symptom, change Controller PCB.
Trouble shooting 12
INDOOR UNIT Error Method:
Damper(Open/Close) simultaneous
detection limit switch error
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