SiBE01-503 Troubleshooting
Service Diagnosis 65
4.7 Thermistor or Related Abnormality (Outdoor Unit)
Remote
Controller
Display
J6
Method of
Malfunction
Detection
This type of error is detected by checking the thermistor input voltage to the microcomputer.
[A thermistor error is detected by checking the temperature.]
Malfunction
Decision
Conditions
The thermistor input is above 4.96 V or below 0.04 V with the power on.
Outdoor heat exchanger thermistor: above about 100°C (less than 670
Ω)
Supposed
Causes
Connector in poor contact
Thermistor defective
Indoor unit PCB defective
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