Radiation Fin Temperature Rise - Daikin FTXL20G2V1B Service Manual

Troubleshooting

4.22 Radiation Fin Temperature Rise

L4
Remote Control
Display
Method of A radiation fin temperature rise is detected by checking the radiation fin thermistor with the
Malfunction compressor on.
Detection
„ If the radiation fin temperature with the compressor on is above
Malfunction
„ The error is cleared when the radiation fin temperature drops below
Decision
„ If the error repeats, the system is shut down.
Conditions
„ Reset condition: Continuous run for about 60 minutes without any other error
RXL20G2V1B
RXL20G2V1B9
RXL25G2V1B
RXL35G2V1B
„ Defective outdoor fan motor
Supposed
„ Short circuit
Causes
„ 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
108
(°C)
90
98
92.5
105
PCB.
(°C)
85
78
85
99
SiENBE04-925_A
°C.
°C.
Service Diagnosis