Daikin FVXG25K2V1B Service Manual page 113

SiBE061121_A
Troubleshooting
Check No.17
Turn off the power and turn it on
Refer to P.113
again
Check No.19
Refer to P.114
25/35 class
RXG50K2V1B
RXG50K3V1B
Note: Refer to "Silicon Grease on Power Transistor / Diode Bridge" on page 127 for detail.
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
to start the system.
Error displayed again?
NO
Check No. 19
Check the outdoor fan or
related.
OK
Radiation fin dirty?
Slightly dirty
Check No. 17
Check the installation condition.
A (°C)
YES
Has the PCB been
replaced?
NO
Check the radiation fin
temperature.
Above A ˚C?
YES
NG
Too dirty
98
105
85
Troubleshooting
YES
Check if silicon grease is
applied properly on the
radiation fin. If not, apply
the silicon grease.
NO
Replace the outdoor unit
PCB.
Replace the outdoor fan
motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
(R18185)
103