Haier H2SM-(9+12)HEK03/R2 User Manual

H2SM-(9+12)HEK03/R2
Service Diagnosis
Domestic Air Conditioner
51
7.4.3 Outdoor ambient Sensor failure
Indoor Display F6
Outdoor Display
Method of Malfunction
Detection
The temperatures detected by the thermistors are used to determine thermistor errors
Malfunction Decision
Conditions
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)
Supposed Causes
Faulty connector connection
Faulty thermistor
Faulty PCB
* Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may
be occurred.
Is it normal? Correct the connection
Thermistor resistance
Is it normal?
Replace the outdoor unit PCB
Replace the thermistor
Check the connector connection.
Thermistor resistance check method:
Remove the connectors of the thermistors on the PCB, and measure the resistance of thermistors using
tester.The relationship between normal temperature and resistance is shown in the value of outdoor
thermistor.
YES
NO
YES
NO

Haier H2SM-(9+12)HEK03/R2 Specifications

General

Brand	Haier
Model	H2SM-(9+12)HEK03/R2
Category	Air Conditioner
Language	English