TROUBLE SHOOTING GUIDE
PROBLEM
CAUSE
SOLUTION
Fill water runs continuously
1. Defective plunger in
1. Replace plunger.
with circuit breaker controlling
solenoid valve.
machine turned off.
2. Defective diaphragm in
2. Check holes in diaphragm
solenoid valve.
cartridge to insure that they are
open. The one on the outside
perimeter should be the size of
an ordinary straight pin. if it's
not, heat a straight pin and put
it through this hole to enlarge.
If this fails to correct situation,
replace diaphragm.
Note: In disassembling or checking solenoid valve, use instructions shown on separate page.
Fill water runs continuously
1. Defective fill switch.
1. Replace.
with power applied to machine,
but when circuit breaker
2. Defective timer that has
2. Replace timer motor or timer
to machine is turned off,
stopped in a position
as necessary.
water stops.
keeping the rinse on.
3. Defective fill micro switch on
3. Replace.
timer assembly.
Note: Excessive water line pressure can cause water to continually run even though the power to the machine is
turned off. Check specifications for required pressure.
Wash temperature not at
1. Defective thermometer.
1. Using a thermometer (fast
required reading on
reading type that's known to be
thermometer.
correct), insert in wash
reservoir and check reading
against wash thermometer on
machine. If machine ther
mometer isn't correct within 3
or 4 degrees, replace.
2. Incoming fill water tem
2. Check out hot water tank
perature not as required,
supplying machine, correct
causing wash or rinse tem-
supply temperature.
perature to be lowered
during cycle.
3. Unit sets too long
3. Drain and refill before cycling.
between operations.
Rinse water not at required
1. Thermometer's defective.
1. Replace.
temperature range.
2. Incoming fill water to
2. Check hot water tank
machine not up to tem-
supplying machine, correct
perature 120 º-140º F.
supply temperature.
After filling machine with
1. Overflow drain clogged.
1. Clean away obstruction.
water, leakage began at
lower front panel without
(Water should be below over
machine operating or at
flow by at least 1".)
end of rinse cycle.
2. Fill switch activated too
2. Activate fill switch no more
long.
than 40 seconds.
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