Trouble shooting 1
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
Indicate or Display:
ERROR CODE : E : 00
Outdoor Unit : No indication
Communication Error
(Indoor unit Remote control)
Indoor unit controller PCB circuit
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 CN17 (For AR18L) or CN6 (For AR24L- 54L) of Controller PCB.
(Power supply to Remote Control)
>> 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
When the indoor unit cannot receive the signal from Wired Remote
more than 10seconds after power ON, or the indoor unit cannot receive
the signal more than 1minute during normal operation.
07-04
7-2 TROUBLE SHOOTING WITH ERROR CODE
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