Si01-406
Troubleshooting
Service Diagnosis
89
Troubleshooting
Check No.6
Refer to P.116
NO
NO
NO
Check No. 6
Indoor unit heat exchanger
thermistor check
Check the intake air filter.
Check the air passage.
YES
YES
(R1401)
Check the dust accumulation on
the indoor unit heat exchanger.
YES
YES
Is there any
short-circuit?
Is it very dirty?
Is it very dirty?
Does it conform to
the thermistor characteristic
chart?
NO
Provide sufficient air passage.
Clean the air filter.
Clean the heat exchanger.
Replace the indoor unit PCB.
Replace the thermistor
(replace the indoor unit PCB).
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Содержание FT25CV1A
Страница 7: ...Si01 406 vi Table of Contents...
Страница 15: ...Functions Si01 406 4 List of Function...
Страница 21: ...Specifications Si01 406 10 Specifications...
Страница 31: ...Printed Circuit Board Connector Wiring Diagram Si01 406 20 Printed Circuit Board Connector Wiring Diagram...
Страница 189: ...R50 60CV1A Si01 406 178 Removal Procedure 6 Remove the screw 7 Take off the electrical parts box Step Procedure Points...
Страница 205: ...Wiring Diagrams Si01 406 194 Appendix...
Страница 209: ...Si01 406 iv Index...