Troubleshooting - Acson AWM Series Technical Manual

Troubleshooting

Model
AWM07/10/15/20/25JW
ACK10/15/20CW
ACK20/25/30/40/50EW
ACM15/20/25/30/40/50EW
ACC10/15/25/30/38/40/50/60CW
ACC02/03/04/06/14/16/18/20GW
Self Diagnostic Table - 50WJW Board
COOL/HEAT
(GREEN/RED)
Green
Red
1 time
2 times
4 times
ON
144
Board
50WJW
W2
W3
W2
W2
No Controller
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
Troubleshooting
Error Code
-
-
-
-
-
-
Blink E1
Blink E2
Blink E4
Blink E5
Blink E8
Blink E9
Blinking