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TROUBLESHOOTING
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TROUBLESHOOTING
Perform the seven checks listed below in the event that your dishwasher does not operate
as expected.
1. All switches are ON
2. Drain-overflow assemby is in place and seated
3. Wash and rinse nozzles are clean
4. Wash and rinse pipe assemblies are installed correctly
5. Scrap screens are properly positioned
6. Thermostat(s) are properly adjusted
7. Detergent and rinse additive dispensers are adequately filled
If a problem still exists, use the following table for troubleshooting
CONDITION CAUSE SOLUTION
Machine will not start Doors not closed ................................... Make sure doors are fully closed
Door safety switch faulty ...................... Contact your service agency
Start switch faulty ................................. Contact your service agency
Main switch off ..................................... Check disconnect at main panel
Overload protector tripped ................... Reset overload in Control Box
Machine washes Extended wash switch in....................... Push Extended wash switch
constantly extended wash position down to the off position
Low or no water Main water supply is turned off............ Turn on house water supply
Drain-overflow assembly is not............ Place and seat drain-overflow
in place and seated
Machine doors not fully closed............. Close doors securely
Faulty fill valve ..................................... Contact your service agency
Machine not filled initially ................... Push Power switch UP to fill
Clogged strainer in fill valve ................ Clean or replace
Continuous water filling Stuck or defective Fill Timer ................ Contact your service agency
Fill valve will not close......................... Clean or replace
Drain-overflow not in place .................. Install drain-overflow assembly
Wash motor not running Overload protector tripped.................... Reset overload in Control Box
Defective motor .................................... Contact your service agency
Wash tank water Incoming water temperature ................. Raise temperature to:
temperature is low at machine too low 110-140°F/43-60°C for MH60
when in use 180°F/82°C for MH-6N
120°F/49°C-140°F/60°C for MH6L
Defective thermometer Check or replace
Defective thermostat ............................. Check for proper setting
or replace
Defective heater element ...................... Check or replace
Defective solenoid valve....................... Check or replace
Heater elements..................................... Clean and delime
have soil/lime buildup