Radiation Fin Temperature Rise - Daikin FLXS-BAVMB Service Manual

Troubleshooting

4.21 Radiation Fin Temperature Rise

L4
Remote
Controller
Display
Method of A radiation fin temperature rise is detected by checking the radiation fin thermistor with the
Malfunction compressor on.
Detection
Malfunction
Decision
Conditions
RK(X)S25/35E2V1B, RK(X)S25/35G2V1B
RK(X)S25/35G2V1B9, RXS25/35J2V1B
Supposed
Causes
95
If the radiation fin temperature with the compressor on is above A°C.
The error is cleared when the radiation fin temperature drops below B°C.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
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.
A (°C) B (°C)
90 85
98 78
SiBE05-722_B
Service Diagnosis