MODEL F73（17603）
38
9. Control
cycle
continuously.
A. Locating signal wiring
breakdown.
B. Controller is faulty.
C. Foreign material stuck
the driving gear.
D. Time of regeneration
steps were set to zero.
A. Check and connect locating
signal wiring.
B. Replace controller.
C. Take out foreign material.
D. Check program setting and
reset.
10. Drain
flows
continuously.
A. Internal valve leak.
B. When electricity fails to
supply, valve stops
backwash or fast rinse
position.
A. Check and repair valve body or
replace it.
B. Adjust valve to service position
or turn off bypass valve and restart
when electricity supply.
11.
Interrupted or
irregular
brine.
A. Water pressure too low
or not stable.
B. Injector is plugged or
faulty.
C. Air in resin tank.
D. Floccules in resin tank
during backwash.
A. Increase water pressure.
B. Clean or replace injector.
C. Check and find the reason.
D. Clean the floccules in resin tank.
12. Water
flow out from
drain or brine
pipe after
regeneration.
A. Foreign material in valve
which makes valve can’t be
closed completely.
B. Hard water mixed in
valve body.
C. Water pressure is too
high which result in valve
doesn’t get the right
position.
A. Clean foreign material in valve
body.
B. Change valve core or sealing
ring.
C. Reduce water pressure or use
pressure release function.
Control Valve Fault（Continue）
13. Salt
water in
soften water.
A. Foreign material in
injector or injector fails to
work.
B. Brine valve cannot be
shut-off.
C. Time of fast rinse too
short.
A. Clean and repair injector.
B. Repair brine valve and clean it.
C. Extend fast rinse time.
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