Specifications
Troubleshooting SiBE04-624
184 Service Diagnosis
2.31 Temperature Rise in Radiation Fin
Remote
Controller Display
L4
Outdoor Unit LED
Display
A5 55
Method of
Malfunction
Detection
Temperature rise in the radiation fin is identified based on the temperature of the radiation fin
detected by the fin thermistor with the compressor on.
Malfunction
Decision
Conditions
The compressor stops when the radiation fin temperature is 86 °C or more. (Fault condition
is cleared when the radiation fin temperature is below 67 °C.)
Shut down when the error repeats 255 times
Clear condition : Continuous operation for 60 minutes
Supposed
Causes
Fin temperature rise due to defective outdoor fan
Fin temperature rise due to short circuit
Detection error due to defective fin thermistor
Detection error due to improper connection of connector
Detection error due to defective outdoor unit PCB