Troubleshooting - Acson AWM-LW Technical Manual

Troubleshooting

Troubleshooting
Model
AWM07/10/15/20/25LW
AWM301W
ACK020/025/030/040/050EW
ACK010/015/020CW
ACC10/15/20/25/28/30/38/40/50/60CW
RCM20/25/30/40/50DW
ACM15/20/25EW
ADB75/100/125/150BW
Self Diagnostic Table - 50WJWXX Board
COOL/HEAT
(GREEN/RED)
Green
Red
1 time
2 times
4 times
ON
117
Board
50WJWXX
W2
W3
W2
W2
W2
W2
N/A
Normal Operation/Fault Indication
Cool mode
Heat mode
Timer on
Sleep mode on
Fan mode on
Dry mode on
Room air sensor contact
Loose/Short
Indoor coil sensor open/short
Pipe water temperature poor
3 times
Pipe water temperature bad
1 time
Hardware error (tact switch pin short)
6 times
No feedback from indoor fan
Action
-
-
-
-
-
-
Call your dealer
Call your dealer
-
-
Call your dealer
Call your dealer
ON or OFF
Error Code
-
-
-
-
-
-
Blink E1
Blink E2
Blink E4
Blink E5
Blink E8
Blink E9
Blinking