Daikin FTXS35K2V1B, Руководство по обслуживанию, Страница: 99 / 130

SiBE041213E Troubleshooting
Service Diagnosis 88
4.23 Radiation Fin Temperature Rise
Error Code
L4
Method of Error
Detection A radiation fin temperature rise is detected by checking the radiation fin thermistor with the
compressor on.
Error Decision
Conditions
„
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
Supposed
Causes
„
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)
35 class 98 78
42 class 92.5 85
50 class 85 56