Daikin FLKS25BAVMB Service Manual page 108

Troubleshooting
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
Note: Refer to Silicone Grease on Power Transistor / Diode Bridge on page 122 for details.
98
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 displayed again?
NO
Check No. 19
Check the outdoor fan.
OK
Radiation fin dirty?
YES
A (°C)
YES
Has the PCB been
replaced?
NO
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
90
YES
Check if the silicone grease
applied properly on the
radiation fin. If not, apply the
silicone grease.
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 leads.
Replace the outdoor unit
PCB (main PCB).
Check the installation
condition.
Go to Check No. 17.
Clean up the radiation fin.
Service Diagnosis
SiBE05-722EE
(R23022)