Daikin Super multi NX E Series User Manual

SiBE121135_A Troubleshooting for Outdoor Unit
Service Diagnosis 226
7.18 Radiation Fin Temperature Rise
Error Code L4
Outdoor Unit LED
Display
A j 1 h 2 h 3 h 4 i 5 h
∗ LED5 is equipped only on the 5-room model.
Method of Error
Detection
A radiation fin temperature rise is detected by checking the radiation fin temperature with the
compressor on.
Error Decision
Conditions
 The radiation fin temperature with the compressor on is above A °C.
 The error is cleared when the 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)
40/50/52/58/68/75 class 103 95
80/90 class 105 97

Daikin Super multi NX E Series Specifications

General

Brand	Daikin
Model	Super multi NX E Series
Category	Air Conditioner
Language	English