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Problem
1. All indictors display
on front panel.
2. No display on front
panel.
3. E1 Flash
4. E2 Flash
5. E3 or E4 Flash
Cause
A. Control board is
faulty.
B. Transformer
dampened or damaged.
C. Electrical service not
stable.
D. Wiring of front panel
with controller fails to
work
A. Wiring of front panel
with controller fails to
work.
B. Control board
damaged.
C. Transformer
damaged
D. Electricity is
interrupted.
A. Wiring of locating
board with controller
fails to work.
B. Locating board
damaged.
C. Mechanical drive
failure.
D. Faulty control board.
E. Wiring of motor with
controller is fault.
F. Motor damaged.
G. The set mode does
not match with the valve
body.
A. Hall component on
locating board damaged
B. Wiring of locating
board with controller
fails to work
C. Control board is
faulty
A. Control board is
faulty.
Correction
A. Replace control board.
B. Check and replace transformer.
C. Check and adjust electrical service.
D. Check and replace the wiring.
A. Check and replace wiring.
B. Replace front panel.
C. Replace transformer.
D. Check electricity supply.
A. Replace wiring.
B. Replace locating board.
C. Check and repair mechanical part.
D. Replace control board.
E. Replace wiring.
F. Replace motor.
G.Empower the system to reset it.
A. Replace locating board
B. Replace wirinig
C. Replace control board
A. Replace control board.
41
RI820246 - 06/18 Ind A
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