Radiation Fin Temperature Rise - Daikin FT25CV1A Service Manual

Si01-406
Radiation Fin Temperature Rise (L4)
4.16
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 If the radiation fin temperature with the compressor on is above 81°C,
Decision
Conditions
Supposed
Causes
Service Diagnosis
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
109