161
Troubleshooting
Troubleshooting
Model Board
FWW02/03/04/05/06L 50WJW
FWF02/04/05C W2
FWK06/08/09/11/13E(H)
FWE08/10/12E
W3
FWKE05/08/11E(H) W3DC
FWE05/06/07E W2
FWC02/03/04/06/07/08/09/11/12/14/16C W2
FWC02/03/04/06/08/10/12/14/16/18/20G No Controller
FUD20/25/30/40B No Controller
Self Diagnostic Table - 50WJW Board
COOL/HEAT
(GREEN/RED)
Normal Operation/Fault Indication Action Error Code
Green
Cool mode - -
Red
Heat mode - -
Timer on - -
Sleep mode on - -
Fan mode on - -
Dry mode on - -
1 time
Room air sensor contact
Loose/Short
Call your dealer
Blink E1
2 times
Indoor coil sensor open/short
Call your dealer
Blink E2
3 times
Pipe water temperature poor - Blink E4
1 time
Pipe water temperature bad - Blink E5
6 times
Hardware error (tact switch pin short)
Call your dealer
Blink E8
4 times
No feedback from indoor fan
Call your dealer
Blink E9
ON
ON or OFF
Blinking
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