Daikin FTXN25KEV1B Service Manual page 88

Troubleshooting
Troubleshooting
Check No.17
Refer to P.92
Check No.19
Refer to P.93
78
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn off the power and turn it on
again.
Error again or outdoor
fan activated?
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) B (°C)
99 76
YES
Check the radiation fin
temperature.
Above A ˚C?
YES
NG
Too dirty
C (°C)
84
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.
NO
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor lead wire.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
Service Diagnosis
SiBE041102_A
(R14444)