HSU-18HEA03/R2(DB)-I
Service Diagnosis
Domestic Air Conditioner
59
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E1: Room temperature sensor failure
E2: Heat-exchange sensor failure
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Detection
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Conditions
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Supposed Causes
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Is it normal?
Is it normal?
Thermistor resistance check
NO
YES
YES
NO
Correct the connection
Replace the thermistor
Replace the indoor unit PCB
Thermistor resistance check method:
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thermistor.