138
Troubleshooting
Self Diagnostic Table – W2 Board
Fault Indication
COOL LED
Error
Code
Action
Room sensor error (short/open)
Blink 1 time
E1
Check room sensor
connection/change room air
sensor
Pipe water sensor error (short/open)
Blink 2 times
E2
Check pipe water sensor
connection/change pipe
water sensor
Water pump error*
Blink 6 times
E6
Clear the clogging at drain
pipe. If pump is not working,
change the pump
Pipe water temperature fault
Blink 5 times
E5
Check chiller condition
(not working or just started)
*Applicable to FWF model only.
Self Diagnostic Table – W3 Board
Event
Power LED
Timer LED
Error Code
1.
Room Sensor Open or Short
Blink 1 time
-
Blink E1
2.
Pipe Water sensor Open or Short
Blink 2 times
-
Blink E2
3.
Pipe Water Temperature poor
Blink 3 times
-
Blink E4
4.
Pipe Water Temperature bad/fault
-
Blink 1 time
Blink E5
5.
Water Pump Fault**
-
Blink 2 times
Blink E6
6.
Hardware Error (tact switch pin Short/M3 or M4
Mode with valveless section)
-
Blink 6 times
Blink E8
7.
Window Open activated*
Blink 6 times
-
-
8.
Antifreeze mode activated*
Blink 7 times
-
-
9. Load Shedding activated*
Blink 8 times
-
-
*Only applicable for 4-pipes system.
**Applicable to FWK model only.
Self Diagnostic Table – W3DC Board
Event
Power LED
Timer LED
Error Code
1.
Room Sensor Open or Short
Blink 1 time
-
Blink E1
2.
Pipe Water sensor Open or Short
Blink 2 times
-
Blink E2
3.
Pipe Water Temperature poor
Blink 3 times
-
Blink E4
4.
Pipe Water Temperature bad/fault
-
Blink 1 time
Blink E5
5.
Water Pump Fault
-
Blink 2 times
Blink E6
6.
Window Open activated*
Blink Cool 6 times
-
-
7.
Antifreeze mode activated*
Blink Cool 7 times
-
-
8.
Load Shedding activated*
Blink Cool 8 times
-
-
9. Hardware Error
-
Blink 6 times
Blink E8
10.
No feedback from indoor fan
Blink Cool 4 times
Blink E9
*Only applicable for 4-pipes system.
Содержание FWW Series
Страница 2: ......
Страница 4: ...Table of Contents ii...
Страница 85: ...81 Selection Process...
Страница 135: ...131 Wiring Diagrams Model FWC03 04 06 07C Without Controller Model FWC09 11 12 14 16C Without Controller...
Страница 136: ...132 Wiring Diagrams Model FWC02 03 04 05 06FD Model FWC08 10FD...
Страница 137: ...133 Wiring Diagrams Model FWC03 04 06 14 16 18 20H Model FWC08 10 12H...
Страница 138: ...134 Wiring Diagrams Model FUD20B Model FUD25B...
Страница 139: ...135 Wiring Diagrams Model FUD30 40B...
Страница 143: ......