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11.4 Error Codes and Description indoor display
Indoor Malfunction
11.4.1 Thermis tor or Related Abnormality
E1: Room temperature sensor failure
Indoor display
E2: Heat-exchange sensor failure
Method of
malfunction tection
Malfunction
compressor
detection conditions
*Thermistor
resistance check
Yes
Troubleshooting
Code indication
indoor
E
1
E
2
E
4
E
1
4
The temperatures detected by the thermistors are used to determine
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,
parts damage may be occurred
Description
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30
Service diagnosis
Reference
Page
e r
33
33
Domestic air conditioner
31
31
or else
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