Troubleshooting - Daikin FWW Series Technical Manual

Troubleshooting

Troubleshooting
Model
FWW02/03/04/05/06L
FWF02/04/05C
FWK06/08/09/11/13E(H)
FWE08/10/12E
FWKE05/08/11E(H)
FWE05/06/07E
FWC02/03/04/06/07/08/09/11/12/14/16C
FWC03/04/06/08/10/12/14/16/18/20H
FUD20/25/30/40B
Self Diagnostic Table - 50WJW Board
COOL/HEAT
(GREEN/RED)
Green
Red
1 time
2 times
4 times
ON
Board
50WJW
W2
W3
W3DC
W2
W2
No Controller
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
Error Code
-
-
-
-
-
-
Blink E1
Blink E2
Blink E4
Blink E5
Blink E8
Blink E9
Blinking
137