Radiation Fin Temperature Rise - Daikin FVXS25FV1B Service Manual

SiBE06-708
4.22

Radiation Fin Temperature Rise

4.22.1 25/35 Class
L4
Remote
Controller
Display
Method of A radiation fin temperature rise is detected by checking the radiation fin thermistor with the
compressor on.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
If the radiation fin temperature with the compressor on is above 90°C.
Clearing condition : when the temperature drops below 85°C.
If a radiation fin temperature rise takes place 4 times successively, the system will be shut
down.
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Fin temperature rise due to defective outdoor unit fan
Fin temperature rise due to short-circuit
Fin thermistor defective
Connector in poor contact
Outdoor unit PCB defective
Troubleshooting
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