Service manual

SiBE06-708_C Troubleshooting
Service Diagnosis 119
Troubleshooting RK(X)S25/35F2V1B
Check No.01
Refer to P.126
Check No.17
Refer to P.133
Check No.19
Refer to P.134
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
WARNING
To cool the electrical components,
the outdoor fan starts when the
radiation fin temperature rises
above C˚C and stops when it
drops below B˚C.
(R18412)
YES
∗ Radiation fin thermistor
NO
Slightly dirty
NG
Too dirty
OK
NO
YES
NO
YES
Turn off the power and turn it on
again.
Check the radiation fin
temperature.
Check No. 17
Check the installation condition.
Radiation fin dirty?
Above A˚C?
As described in the
characteristic chart?
Check No. 01
Check the thermistor resistance
value.
Check No. 19
Check the outdoor fan or
related.
Error again or outdoor
fan activated?
Replace the radiation fin
thermistor.
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
the fan motor lead wire.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
A (°C) B (°C) C (°C)
RK(X)S25/35F2V1B 80 70 80