SeaLand 9400 Series RushFlush Operation Manual - Manual (Page 10)

10
8 Troubleshooting
Problem Possible Cause Service Instruction
1 . Flush cycle operates correctly
but water in the bowl empties
slowly or not at all .
a . Discharge piping is pinched or
kinked .
b . Discharge piping is not sloped
correctly . Minimum downward
slope from toilet to waste tank is
1/8-in . (3 mm) per foot .
c . Discharge piping is blocked .
d . Check valve in discharge line is
blocked .
e . Water system pressure is too
low .
f . Holding tank is not venting
properly .
a . Check discharge piping .
b . Reroute discharge piping .
c . Close seacocks and clear
blockage .
d . Clear blockage or replace check
valve .
e . Clear blockage at water valve
inlet or adjust water system
pressure switch .
f . Check vent line for blockage and
repair .
2 . Insufficient or no water enters
the toilet bowl (upper rim and/or
lower bowl jets .
a . Water supply line (to upper rim
or lower bowl jets) is pinched or
kinked .
b . Screen in water valve(s) is
blocked .
c . Intake water filters are blocked .
d . Maintenance valve in lower bowl
water supply line is closed .
e . Water system is not pressurized .
f . Water valve (to upper rim or
lower bowl jets) is
malfunctioning .
g . Debris is lodged in water jet .
h . Water flow control module is
malfunctioning .
a . Check water supply lines .
b . Clear blockage .
c . Clear water filters .
d . Open maintenance valve .
e . Check for closed valves or leaks .
f . Inspect/clean water system
strainers . Disassemble water
valve(s) and clean diaphragm or
pilot hole .
g . Clear blockage .
h . Replace control module .
3 . Toilet flushes continuously, or
bowl fills with water when not in
flush cycle .
a . Jet valve diaphragm or pilot hole
is clogged with debris .
b . Water flow control module is
malfunctioning .
a . Inspect/clean water system
strainers . Disassemble water
valve(s) and clean diaphragm or
pilot hole .
b . Replace control module .
4 . Flush cycle does not start after
pressing flush handle or switch .
a . Holding tank is full and electrical
power to toilet is shut off (when
installed with full-tank shutdown
option) .
b . Electrical power to toilet is
disrupted .
c . Flush switch is malfunctioning .
d . Water flow control module is
malfunctioning .
a . Empty the waste holding tank .
b . Check wiring, circuit breakers .
c . Replace flush switch .
d . Replace control module .
5 . Water pump cycles very
frequently . (Problem is in
pressurized water system .)
a . Leak in water system .
b . Pressure switch not adjusted
correctly .
c . Water pump inlet check valve is
clogged or stuck open .
d . Water pressure tank air pressure
is too high .
e . Water pressure tank bladder is
ruptured .
a . Find leak and repair .
b . Adjust setting to 30-50 PSI .
c . Clean and or replace check
valve .
d . Adjust air pressure 3-5 PSI
below pump activation pressure .
e . Replace water pressure tank .
Troubleshooting SeaLand 9300-9400 Series RushFlush Toilets