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Fault Diagnostics
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Fault Steps to determine failure Failure Resolution
Dispenser
not
operating
or rinse aid
not being
dispensed
1. Check if detergent dispenser cover
is jammed.
2. Check dispenser harness
connections to rinse aid dispenser,
dispenser actuator (A2) and control.
3. Run customer service test program
with outer door removed and check
if actuator operates. It should
operate once to open detergent
dispenser door and a second time
to dispense rinse aid.
4. Check resistance between
dispenser actuator terminals.
1. Free jammed cover (by opening and
closing it) or replace damaged cover.
2. If connectors aren’t seated properly,
reseat them. If connectors are
damaged, replace wire harness.
3. If actuator operates, but doesn’t open
detergent dispenser cover or release
rinse aid, replace dispenser linkages.
4. If resistance is not between 2050 -
2250 Ω, replace dispenser actuator. If
not, replace control.
Will not
drain
1. Check if house drain line is clogged.
2. Check that drain hose is no longer
than 150” and includes a 20” high
loop.
3. Check if garbage disposal plug is
removed.
4. Check if drain hose is clogged or
pinched.
5. Check if drain pump impeller is
blocked.
6. Run customer service test program
and measure drain pump current
while drain pump is activated.
7. Check wiring connections at
terminal 1 of float switch (white
wire), drain motor and control.
8. Measure drain pump resistance
(between “N” and gray wire from
drain pump to control).
1. Unclog drain and check operation.
2. Shorten or replace drain hose and
add 20” high loop.
3. Remove garbage disposal plug.
4. Unclog or replace drain hose.
5. Unblock impeller and check
operation.
6. If current is ≈ 0.68 A and water does
not drain, replace drain pump.
7. If connectors aren’t seated properly,
reseat them. If connectors are
damaged, replace wire harness.
8. If the resistance is between 23 - 28 Ω,
replace control. If not, replace drain
pump.
Circulation
pump not
running or
dishes still
dirty
1. Run customer service test program
and check if dishwasher is filling
with enough water.
2. Check if water switch failed (i.e.
check if only one rack is dirty).
3. Run customer service test program
and check incoming current to
dishwasher while the heater is on.
4. Check for clogged spray arms or
filters.
5. Check if circulation pump rotates
freely with power disconnected.
6. Check that connections to
circulation pump motor, door switch
(e1) and control are seated properly
and aren’t damaged.
7. Measure door switch resistance
(between door switch terminals 1
and 2) with dishwasher door closed.
1. If not filling, see Will Not Fill.
2. Replace heater assembly (with water
switch).
3. If current draw is ≈ 11A, go to step 4.
If not, go to step 5.
4. Clear any obstructions from filter and
spray arms.
5. If pump doesn’t rotate freely, check
for obstructions in pump housing. If
there are no obstructions, replace
pump.
6. If connectors aren’t properly seated,
reseat them. If connectors are
damaged, replace wire harness.
7. If the resistance is approximately 0 Ω,
replace circulation pump. If not,
replace door switch.