Troubleshooting SiBE12-908
109 Service Diagnosis
2.2 Air conditioner does not run.
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Power supply is OFF
Improper power supply voltage
Improper connection of wire
Incorrect combination of indoor unit and outdoor unit
Battery shortage of remote controller
Invalid address setting
Protection device works
(dirty air filter, refrigerant shortage, over filling, mixed air, etc.)
Transmission error between indoor unit and outdoor unit
(Defective PCB on outdoor unit)
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