Moyer Diebel 201HT M4 Series, Installation & Operation Manual

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Troubleshooting - 201HT, 201LT
Condition Cause Solution
Dishwasher will not run.
Low or no water.
Chemicals won’t feed into
dishwasher.
Door not closed.
Main power OFF.
Dishwasher OFF.
Main water supply off.
Fill hose kinked.
Low incoming water pressure
Solenoid valve defective.
Solenoid strainer clogged.
Circuit board fuse blown.
Chemical supply low.
Supply tubing damaged.
Supply tubing kinked.
Pick-up tube clogged
Chemical circuit board fuse blown.
Close door completely.
Check breaker on panel.
Turn dishwasher power switch ON.
Open supply valve.
Straighten fill hose.
Set flowing water pressure to 20-22 PSI.
Install repair kit or replace.
Clean strainer.
Contact service agent..
Refill chemical container.
Replace tubing.
Straighten tubing.
Clean/replace tube.
Contact service agent.
Low water pressure
pumped from wash spray
arms.
Clogged scrap screen.
Clogged spray arms.
Clogged pump intake screen.
Clean scrap screen.
Clean spray arms.
Inspect sump and clean pump intake
screen.
Dishwasher stays in
wash cycle.
201HT-Incoming water supply cold
Rinse Sentry extends wash mode
for a maximum time of 5-minutes
to allow final rinse water booster
temperature to reach 180˚F/82˚C.
201LT- Vari-Cyle button was pressed
and vari-cycle light is on.
Raise incoming water temperature.
Adjust/replace final rinse booster
thermistor.
Press Vari-cycle button to exit and
return to the normal wash mode.
Poor wash results.
Excessively hard water.
Water temperature low.
Thermistor defective.
(See chemicals won’t feed
above.)
(See low or no water above.)
Detergent injector defective.
Chemical circuit board fuse blown.
Wares incorrectly loaded.
in dishrack.
Booster high limit tripped.
Wash tank high limit tripped.
Contact chemical supplier.
Raise incoming water
temperature to 140°F
Replace thermistor.
(See chemicals won’t feed
above.)
(See low or no water above.)
Replace squeeze tube.
Replace injector motor.
Clean tubing and pick-up.
Contact service agent.
Reposition wares or reduce amount of
wares in dish racks.
Reset or replace high limit.
Reset or replace high limit.
Water has drained out of
the wash tank while the
dishwasher was idle.
Anti-siphon loop in drain
hose has been removed.
Drain hose clamp is not
holding the drain hose
in proper position.
Building plumbing does not
provide correct air vent
to prevent siphoning.
Re-route drain hose.
DO NOT STRETCH HOSE
Replace/adjust hose clamp
making sure goose-neck
is maintained.
Contact service Agent
and/or plumber.
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