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
OKOK
Indicate or Display:
Wired Remote Controller
Communication Error
Indoor unit Controller PCB
Wired Remote Controller (Option)
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.
>> 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 terminal 1-3 of Controller PCB or Communication PCB.
(Power supply to Remote Control)
Compact Cassette, SlimDuct Type : CN14
Wall Mount , Floor Type : CN16
Compact Wall Mount Type : CNC01 (UTY-XCBXZ2)
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 1 time Flash, Timer lamp: 2 time Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 12]
02-06
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