Radiation Fin Temperature Rise - Daikin F-Series Service Manual

SiEN12-710A

4.19 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
Malfunction If the radiation fin temperature with the compressor on is above 93°C,
Decision " If a radiation fin temperature rise takes place 255 times successively, the system will be shut
Conditions
" The error counter will reset itself if this or any other error does not occur during the following
Supposed " Fin temperature rise due to defective outdoor unit fan
Causes " Fin temperature rise due to short-circuit
" Fin thermistor defective
" Connector in poor contact
" Outdoor unit PCB defective
" Silicon grease is not applied properly on the heat radiation fin after replacing outdoor unit
Service Diagnosis
down.
60-minute compressor running time (total time).
PCB
Troubleshooting
135