Trouble shooting 3
INDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Forecast of Cause:
Check Point 2 : Check Wired Remote Controller and Controller PCB
Check Point 1 : Check the connection of terminal
OK
OK
Indicate or Display:
Wired remote controller
communication error
Indoor unit Controller PCB
Wired remote controller
1. Connection failure 2. Wired remote controller failure 3. Controller PCB failure
Check & correct the followings.
Check the connection of terminal between Wired Remote Controller and indoor unit,
and check if there is a disconnection of the cable.
When the indoor unit cannot properly receive the signal from
Wired Remote Controller for 1 minute or more.
02-05
Refer to error code table.
>> If it is DC12V, Remote Control is failure. (Controller PCB is normal) >> Replace Remote Control
>> If it is DC 0V, Controller PCB is failure. (Check Remote Control once again) >> Replace Controller PCB
Check Voltage at CN14 (terminal 1-3) of Controller PCB.
(Power supply to Remote control)
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