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Troubleshooting
SiEN04-306D
110
Service Diagnosis
Troubleshooting
Check No.6
Refer to P.141
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.
Summary of Contents for ARXS50C2VMB
Page 109: ...Instruction SiEN04 306D 100 System Configuration ...
Page 199: ...Outdoor Unit SiEN04 306D 190 Removal Procedure ...
Page 203: ...Others SiEN04 306D 194 Others ...
Page 214: ...SiEN04 306D Wiring Diagrams Appendix 205 FTKD18 24 28BVMS ...
Page 216: ...SiEN04 306D Wiring Diagrams Appendix 207 RKD18 24 28BVMS ...