Troubleshooting
SiBE04-824
112
Service Diagnosis
4.20 Thermistor or Related Abnormality (Outdoor Unit)
Remote
Controller
Display
P4
,
J3
,
J6
,
H9
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.
Error
J3
is judged if the discharge pipe thermistor temperature is smaller than the condenser
thermistor temperature.
Supposed
Causes
Connector in poor contact
Thermistor defective
Outdoor unit PCB defective
Indoor unit PCB defective
Condenser thermistor defective in the case of
J3
error (outdoor unit heat exchanger
thermistor in the cooling mode, or indoor unit heat exchanger thermistor in the heating
mode)
Summary of Contents for ATXS35EV1B7
Page 1: ...SiBE04 824 Applied Models z Inverter Pair Heat Pump Inverter Pair Wall Mounted Type E Series...
Page 11: ...Introduction SiBE04 824 x...
Page 12: ...SiBE04 824 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 14: ...SiBE04 824 Specifications 3 Part 2 Specifications 1 Specifications 4...
Page 17: ...Specifications SiBE04 824 6 Specifications...
Page 85: ...Instruction SiBE04 824 74 Operation Manual...
Page 147: ...Check SiBE04 824 136 Service Diagnosis...
Page 227: ...Outdoor Unit SiBE04 824 216 Removal Procedure...