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Detective Actuators:
Detective details:
Forecast of Cause:
Check Point 2 : Replace Main PCB
YESYES
NO
Trouble shooting 7
OUTDOOR UNIT Error Method:
Outdoor unit main PCB model
information error or communication error
Outdoor unit Main PCB
1. External cause (Noise, temporary open, voltage drop) 2. Main PCB failure
Check Point 1-1 : Reset Power supply and operate
Does Error indication show again?
Check Point 1-2 : Check external cause
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related
cables near the power line.
Change Main PCB.
02-09
Indicate or Display:
Refer to error code table.
When model information of EEPROM is incorrect at power ON.
If the above operation is repeated 3 times,
the compressor stops permanently.