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Troubleshooting
Si04-306
96
Service Diagnosis
Troubleshooting
Check No.6
Refer to P.128
Note:
If the outside temperature is below –10°C in the cooling mode, the system may get interrupted
with error
A5
displayed. The system will be reset itself, but this stop will be put in the error history
memory.
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 FTKD50BVM
Страница 17: ...List of Functions Si04 306 8 List of Functions ...
Страница 35: ...Specifications Si04 306 26 Specifications ...
Страница 143: ...Check Si04 306 134 Service Diagnosis ...
Страница 187: ...Outdoor Unit Si04 306 178 Removal Procedure ...
Страница 191: ...Others Si04 306 182 Others ...
Страница 201: ...Wiring Diagrams Si04 306 192 Appendix FTKD 18 24 28 BVMS ...
Страница 203: ...Wiring Diagrams Si04 306 194 Appendix RKD 18 24 28 BVMS ...