Radiation Fin Temperature Rise - Daikin FTXS20G2V1B Service Manual

SiENBE04-808_A

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
RK(X)S20-35G2V1B, ARXS20-35G2V1B
RK(X)S20-35G2V1B9, ARXS20-35G3V1B
RK(X)S42G2V1B, ARXS42G2V1B
RK(X)S50G2V1B, ARXS50G2V1B
„ 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
Service Diagnosis
PCB.
°C.
°C.
(°C) (°C)
90 85
98 78
92.5 85
105 99
Troubleshooting
136