Haier AS35RBAHRA-PL, Руководство по обслуживанию

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Service Diagnosis
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10.4.1 Thermistor or Related Abnormality
Indoor Display E1: Room temperature sensor failure
E2: Heat-exchange sensor failure
Outdoor display LED1 flash 10 times Defrost temperature sensor failure
LED1 flash 11 times Suction temperature sensor failure
LED1 flash 12 times Ambient temperature sensor failure
LED1 flash 13 times Discharge temperature sensor failure
The temperatures detected by the thermistors are used to determine thermistor errors
When the thermistor input is more than 4.92V or less than 0.08V during compressor
operation.
Note: The values vary slightly in some models
Faulty connector connection
Faulty thermistor
Faulty PCB
* Caution: Be sure to turn off power switch before connect or disconnect connector,
or else parts damage may be occurred.
Thermistor resistance inspection method:
Remove the connector of the thermistor on the PCB, and measure the resistance of thermistor using tester. The
relationship between normal temperature and resistance is shown in the value of indoor thermistor.
Malfunction
Decision
Conditions
Method of
Malfunction
Detection
NO
Is it normal?
Yes
NO
Is it normal?
Yes
Check the connector connection.
Replace the indoor PCB
Replace the thermistor
Thermistor resistance check
Correct the connection
Supposed
Causes
Trouble
shooting