Daikin FLKS25BAVMB Service Manual page 105

SiBE05-722EE
Troubleshooting RK(X)S25/35E2V1B
Check No.01
Refer to P.102
Check No.17
Refer to P.109
Check No.19
Refer to P.110
RK(X)S25/35E2V1B
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn off the power. Then, turn on
the power to restart the system.
Error again or outdoor
fan activated?
NO
Check No. 19
Check the outdoor fan.
OK
Radiation fin dirty?
YES
A (°C)
YES
Check the radiation fin
temperature.
Above A˚C?
YES
Check No. 01
Check the thermistor resistance
value.
∗
Thermistor as
specified in its characteristic
chart?
YES
NG
NO
B (°C) C (°C)
80 70 80
Troubleshooting
WARNING
To cool the electrical components,
the outdoor fan starts when the
radiation fin temperature rises
above C˚C and stops when the
radiation fin temperature drops
below B˚C.
NO
Replace the outdoor unit
PCB (main PCB).
Radiation fin thermistor
NO
Replace the radiation fin
thermistor.
Replace the outdoor fan
motor.
Correct the connectors
and fan motor lead wire.
Replace the outdoor unit
PCB (main PCB).
Check the installation
condition.
Go to Check No. 17.
Clean up the radiation fin.
(R22981)
95