Radiation Fin Temperature Rise - Daikin 2MKS40G2V1B Service Manual

SiBE12-816_D

7.13 Radiation Fin Temperature Rise

L4
Remote
Controller
Display
Method of A radiation fin temperature rise is detected by checking the radiation fin temperature with the
Malfunction compressor on.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
The radiation fin temperature with the compressor on is above A °C.
The error is cleared when the temperature drops below B °C
A B
(°C)
40 class 95
50 class 92.5
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Defective outdoor unit fan
Short circuit
Defective 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.
(°C)
85
85
Troubleshooting for Outdoor Unit
250