19
SYMPTOM
POSSIBLE CAUSE
ACTION
Tank heater relay (Ct)
faulty.
Verify contacts are close when there is
voltage to relay also check for stuck or pitted
contacts.
Dishwashing machine
RUNS. WASH WATER
NOT REACHING
REQUIRED
TEMPERATURE.
Rinse heater (Rt) faulty Check element for continuity; if open,
replace heater.
Overflow tube not
removed.
Check and remove.
Drain pump (BD)
clogged.
Open drain pump cover and remove debris.
(Lower front panel; unscrew white
removable cover, rotate c/cw)
Drain hose kinked
Make sure the drain hose is not kinked
Drain pump (BD) faulty Verify voltage to drain pump; if receiving
voltage, ohm out drain pump if open, replace
it.
Dishwasher RUNS
perfectly but NOT
DRAINING.
Faulty safety pressure
switch (P2)
Verify position changes from (1-3 to-1-2)
Machine temperatures
or pressure may not be
to specification.
Verify that the water pressure is at a min. of
20psi and max 60 psi. The water temperature
should be at the recommended 140 F.
None or too little
detergent being used.
Make sure detergent to dish ratio is fallowed
to manufacturer specification.
Improper loading or
overloading
Read chapter on proper loading of
dishwasher.
Dishes are not coming
out clean enough.
Washing and or rinsing
arms jammed or dirty.
Check that arms rotate properly, and that
rinsing and washing nozzles are not blocked
or dirty. Clean if necessary
Clogged drain
Remove instruction form the pump or from
the pipe
Machine not level
Level machine. Increase height to the front
Excessive inlet pressure Install pressure reducing valve. Ensure flow
is 15-25 PSI
WATER OVERFLOW
FROM BOTTOM OF
THE DOOR
DETERGENT
FOAMING
Use detergent for commercial appliances.
Reduce detergent quantity
