RevV4 Valves & Systems Service Manual
49
Hankscraft Runxin, LLC 300 Wengel Drive 608.524.9465 hrh2o.com [email protected]
Electronics
Problem
Cause
Correction
1. Abnormal
display
A. Wiring to the front panel is loose.
B. Control board is faulty.
C. Transformer malfunction.
D. Electrical service unstable.
A. Check and replace the wiring.
B. Replace control board.
C. Check and replace transformer.
D. Verify power source.
2. Blank display
A. Wiring to the front panel is loose.
B. Front panel damaged.
C. Control board damaged.
D. Electricity is interrupted.
A. Check and replace wiring.
B. Replace front panel.
C. Replace control board.
D. Check power source.
3. E1 code
A. Wiring of locating board with controller
fails to work.
B. Locating board damaged.
C. Mechanical drive failure.
D. Faulty control board.
E. Wiring to the motor has a short.
F. Motor damaged.
A. Replace wiring.
B. Replace locating board.
C. Replace Discs or drive gear.
D. Replace control board.
E. Replace wiring.
F. Replace motor.
4. E2 code
A. Hall effect on locating board damaged.
B. Possible short in the wiring to the locating
board.
C. Control board malfunction.
A. Replace locating board.
B. Replace wiring.
C. Replace control board.
5. E3 or E4 code
A. Control board malfunction.
A. Replace control board.
