AUX Air Conditioner Service manual
40
3.2. fault diagnosis procedure
1 Unplug the indoors and outdoors and re-plug after about 5 seconds
2 Judge the LED light is on or not? Does Digital tube shows E4 error code or not?
3 Reference to the previous page about error diagnosis steps
4 Check chip output on the controller is normal or not?
5 Micro-controlled chip error
6 Check the input voltage of the fan motor enough or not
7 PCB error
8 Replace PCB
9 Probe position
10 PCB Cn10
11 Status
12 Normal voltage
13 #2. #3 socket
14 Motor running
15 About A.C 134V-160V
16 Fan motor capacitor disconnected to CN10
17 Fan motor false
18 Replace FAC
19 Fan motor false
20 Replace indoor fan motor
To Next Page
Loading...
Need help?
General
