Maytag Dishwasher Diagnostic Chart AMERICAN SERVICE DEPT.

Symptom	Solution	Click images to enlarge Belt Drive Dishwasher
Dishwasher will not complete a cycle.	Check the timer for proper operation Check timer switch leads to timer motor Compare timer with sequence chart on wiring diagram Make sure all leads to the timer are secure and tight Some models have a thermostat. Check to make sure it is in contact with the tub.
Dishwasher will not drain.	Check for hose kinks or food plugging drain hose. Check pump impeller for damage Check pump motor for reversing during the pump out Check timer If you have recently installed a new garbage disposal, check knock-out plug at connection.
Dishwasher will not fill with water	Check float switch or float. Check the timer to make sure the contacts are closed for water fill valve. Look at wiring diagram for contact numbers Check the water supply tube for blockage. Check water supply valve. There should be 110 volts to the coil. Water valves have screens in them that sometimes will plug with sand. Either clean or replace the screen filter.
Dishwasher will not get the dishes clean.	Check pump recirculation. Check the screen in the water fill valve. Check the spray arm for splits or leaks. Check the water pressure or manual valve. Check the water temperature. Should be 135 to 160 F. Check to make sure dishwasher is draining after each cycle. There should only be a little water in the bottom of the tub. Check water level when the fill cycle has completed. Should be barely touching, or just under the float. Make sure the dishes are loaded properly, or dishwasher is not overloaded. Try a different detergent.
Dishwasher will not run at all.	Check connections from power cord to terminal block. Check door switch for action and continuity Check power at outlet. Should read 110 volts. Check the timer for power
Water leaks from the bottom of the dishwasher.	Check air gap for mineral deposits. This will cause the water to spray out of the air inlet. Check for cracks in the tub. Check the float switch seal. Check the heater element where it eneters the tub. There are gaskets that sometimes leaks. Check the hose clamps. Check the hoses for leaks.
Water leaks from the door.	Check corner seals and bottom dam seal Check door seal Check for loose or bent door latch Check for over filling. This could be from flaot switch. The water should never or barely reach float. The float switch is for overflow. Check the spray arm for a split. If water sprays directly at the bottom of door, it will create a leak.
Soap Dish not opening	Check for amp draw at dishwasher bi-metal using a amp meter. No less than 5 1/2 amps. If amp draw is ok replace bi-metal. If amp draw is not enough check for not enough water in dishwasher during wash cycle to cause motor to not draw enough amps or belt is slipping. Replace water inlet valve or belt as needed.

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