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Item 63924
Page 26
01 2024-1
Backwash flow rate too high or
too low
1. Incorrect control valve used
1. Replace with correct control
valve.
2. Foreign objects influence con-
trol valve
2. Clean control valve.
Note!
The above solutions are for reference only. If the machine breaks down, please call in professional
technicians to solve the problem.
Controller
Problem
Possible cause
Proposed solution
The display is garbled
1. Wiring of front panel with con-
troller fails to work
1. Check and replace the wiring.
2. Control board is faulty
2. Replace control board.
3. Transformer damaged
3. Check and replace trans-
former.
4. Electrical service is not stable
4. Check and adjust electrical
service.
No display on front panel
1. Wiring of front panel with con-
troller fails to work
1. Check and replace wiring.
2. Front panel damaged
2. Replace front panel.
3. Control board damaged
3. Replace control board.
4. Electricity is interrupted
4. Check electricity.
E1 Flash
1. Wiring of location board with
controller fails to work
1. Replace wiring.
2. Locating board damaged
2. Replace locating board.
3. Mechanical driven failure
3. Check and repair mechanical
parts.
4. Faulty control board
4. Replace control board.
5. Wiring of motor with controller
is faulty
5. Replace wiring.
6. Motor damaged
6. Replace motor.
E2 Flash
1. Component on locating board
damaged
1. Replace locating board.
2. Wiring of locating board with
controller fails to work
2. Replace wiring.
3. Control board is faulty
3. Replace control board.
E3 or E4 Flash
Control board is faulty
Replace control board.
