If there is the error display at the I/O PCB
>> I/O PCB or Main PCB is defective
>> Replace I/O PCB or Main PCB
If there is not the error display at the I/O PCB
>> I/O PCB is defective
>> Replace I/O PCB
If Outdoor unit error code is "E.6A.1" and Indoor unit error code is "E.11.1" or "E.11.2"
(E.11.1 and E.11.2 is Serial reverse transfer error)
>> Main PCB is defective
>> Replace Main PCB
Display P.C.B. Communication Error
Outdoor unit Main PCB
Outdoor unit I/O PCB
Communication not received from I/O PCB for 10 seconds or more
1. Main to I/O PCBs wiring connection defective
2. I/O PCB defective
3. Main PCB defective
OK
Check Point 1 : Check the I/O to Main PCB wiring
Connector and wiring connection state check
Cable open check
Check Point 2 : Check I/O PCB and Main PCB
Indoor Unit : Operation LED 6 times Flash, Timer LED 10 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 6A. 1
Error Code : 6A
02-62
+1
Trouble shooting 46
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
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