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The Troubleshooter
In order to find the cause of a breakdown or abnormal operating condition in your dishwasher please
ensure that:
1. All switches are ON
2. Drain overflow tube is in place and seated
3. Wash pipe and rinse nozzles are clean
4. Spray arms are in their proper positions
5. Round screen is properly positioned
6. Detergent, sanitizer and rinse additive dispensers are adequately filled
8. Doors are fully closed.
That wasn't it? Check for a solution below:
PROBLEM CAUSE SOLUTION
Cycle will not start Door not closed ........................... Make sure doors are fully closed
Door safety switch faulty ............. Contact your service agency
Main switch off ............................. Check disconnect
Low or no water Main water supply is turned off ... Turn on house water supply
Drain/overflow tube is not
in place and seated ..................... Clean, replace and seat drain tube
..................................................... as needed.
Faulty fill valve ............................. Contact your chemcial supplier.
Continuous water filling Fill valve will not close ................. Clean or replace
Motor not running Defective contactor ..................... Contact your servicer
Defective motor ........................... Contact your servicer
Wash tank water temperature ..................................................... Incoming water temperature
is low when in use ..................................................... at machine too low
..................................................... Raise temperature to 140°F/60°C
Defective thermometer ................ Check or replace
Defective solenoid valve ............. Check or replace
Arms not rotating Rinse nozzles not clean .............. Clean
Bearings worn.............................. Replace
Water supply pressure low ......... Check incoming water pressure
Insufficient pumped spray Clogged intake screen ............... Clean
pressure Clogged spray pipe ..................... Clean
Low water level in tank ................ Check drain and overflow tube, timer may
..................................................... need adjustment, contact servicer
Defective pump seal.................... Contact service agent
Insufficient rinse or no Faulty pressure regulating valve . Clean or replace
rinse Improper setting on pressure
regulating valve ........................... Set static pressure to 35 psi
Clogged rinse nozzle and/or
pipe .............................................. Clean with paper clip/delime
Improper water line size .............. Have installer change to proper size 3/4" NPT
MD-1000HT • The Trounbleshooter