Thermistor Or Related Abnormality (Indoor Unit) - Haier HSU-18HEA03/R2(DB)-I Service Manual
Wall mounted type dc inverter e-series
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Also See for HSU-18HEA03/R2(DB)-I:
- Operating manual (31 pages) ,
- Operation manual (8 pages)
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Detection
Conditions
Supposed Causes
Thermistor resistance check
Thermistor resistance check method:
thermistor.
HSU-18HEA03/R2(DB)-I
E1: Room temperature sensor failure
E2: Heat-exchange sensor failure
Is it normal?
YES
Is it normal?
NO
Correct the connection
NO
Replace the thermistor
YES
Replace the indoor unit PCB
59
Service Diagnosis
Domestic Air Conditioner
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