Daikin RXL25G2V1B, Service Manual

Page: 123 / 294

Troubleshooting SiENBE04-925_A
108 Service Diagnosis
4.22 Radiation Fin Temperature Rise
Remote Control
Display
L4
Method of
Malfunction
Detection A radiation fin temperature rise is detected by checking the radiation fin thermistor with the
compressor on.
Malfunction
Decision
Conditions
„
If the radiation fin temperature with the compressor on is above °C.
„
The error is cleared when the radiation fin temperature drops below °C.
„
If the error repeats, the system is shut down.
„
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
„
Defective outdoor fan motor
„
Short circuit
„
Defective radiation fin thermistor
„
Disconnection of connector
„
Defective outdoor unit PCB
„
Silicon grease is not applied properly on the radiation fin after replacing the outdoor unit
PCB.
(°C) (°C)
RXL20G2V1B 90 85
RXL20G2V1B9 98 78
RXL25G2V1B 92.5 85
RXL35G2V1B 105 99
SIENBE04-925_A_FRONT.pdf 123 24/02/2011 13:53:57