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SiEN04-306D
Troubleshooting
Service Diagnosis
133
Troubleshooting
Check No.6
Refer to P.141
Check No.7
Refer to P.142
Check No.9
Refer to P.143
Turn off the power and turn it on
again to get the system started.
C
heck No.
6
Check the thermistor resistance
value.
Replace the fin thermistor.
Check the power transistor
and fin for looseness. If
they are found to be fit
tightly, replace the PCB or
the power transistor.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
(R2851)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Error displayed again?
YES
NO
Slightly dirty
Check No. 9
Check the outdoor unit
fan or related.
Malfunctioning
Radiation fin dirty?
Too dirty
Functioning
Thermistor as
specified in its characteristic
chart?
Above 90˚C?
NO
YES
NO
YES
z
Fin thermistor
Check the radiation fin
temperature.
C
heck No.
7
Check the installation condition.
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 ...