Troubleshooting 2
INDOOR UNIT Error Method:
Detective actuators: Detective details:
Forecast of cause:
Check Point 2 : Check remote control and controller PCB
Check Point 1 : Check the connection of terminal
OKOK
Remote control communication error
Indoor unit controller PCB
Wired remote control
1. Terminal connection abnormal
2. Wired remote control failure
3. Controller PCB failure
After turning off the power, check & correct the followings.
Check the connection of terminal between remote control and Indoor unit,
and check if there is a disconnection of the cable.
Upon correcting the removed connector or mis-wiring, reset the power.
Check Voltage at CNC01 (terminal 1-3) of UTY-XCBXZ2 (Communication kit).
(Power supply to Remote Control)
>> If it is DC13V, 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
When the indoor unit cannot receive the signal from Wired Remote Control
more than 1minute during normal operation.
02-06
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