SiENBE04-507A
Troubleshooting
Service Diagnosis
133
4.19 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)
Содержание FTKS20D2VMWL
Страница 10: ...SiENBE04 507A List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Страница 16: ...SiENBE04 507A Specifications 7 Part 2 Specifications 1 Specifications 8 1 1 Cooling Only 8 1 2 Heat Pump 21...
Страница 53: ...Printed Circuit Board Connector Wiring Diagram SiENBE04 507A 44 Printed Circuit Board Connector Wiring Diagram...
Страница 85: ...Control Specification SiENBE04 507A 76 Function and Control...
Страница 159: ...Check SiENBE04 507A 150 Service Diagnosis...
Страница 198: ...SiENBE04 507A Outdoor Unit Removal Procedure 189 When reassembling make sure to fit the hook Step Procedure Points Hook...
Страница 212: ...SiENBE04 507A Others 203 Part 8 Others 1 Others 204 1 1 Test Run from the Remote Controller 204 1 2 Jumper Settings 205...
Страница 215: ...Others SiENBE04 507A 206 Others...
Страница 221: ...Wiring Diagrams SiENBE04 507A 212 Appendix...
Страница 225: ...SiENBE04 507A iv Index...