OUTDOOR UNIT Error Method:
Outdoor Unit transmission PCB
Parallel Communication Error
YES
OK
OK
Check Point 1-2 : Noise
Detective details:
Forecast of Cause :
NO
Detective Actuators:
Outdoor unit Main PCB
Communication PCB
Parallel communication (communication between main CPU and
communication PCB ) failed 5 times.
1. Noise 2. Communication PCB connection defective
3. Communication PCB defective 4. Main PCB defective
Check if ground is connection correctly or there are
no related cables near the power line.
Check Point 4 : Replace Main PCB
Change Main PCB and set up the original address.
Check Point 1-1 : Turn the power
on again.
Error displayed again?
Check Point 2 : Check the communication PCB connection
Communication PCB connection check
Check Point 3 : Check the communication PCB
Communication PCB check
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 69. 1
Error Code : 69
Trouble shooting 40
Indicate or Display:
E. 69.1
04-48
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