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Dishwasher Tips

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Maytag / Jenn Air Newer Style Dishwasher Diagnostic Chart

 

Symptom Solution Click images to enlarge

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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 under sink.
Dishwasher will not fill with water
  • Check float switch or float.
  • Check water supply valve. There should be 110 volts to the coil.
  • 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.
  • Water valves have screens in them that sometimes will plug with sand or mineral build up from the hardness of the water. If this is the case and the dishwasher is just filling very slow or with not enough water, then replace the water inlet valve on the dishwasher.
Dishwasher will not get the dishes clean.
  • Check pump recirculation.
  • Water valves have screens in them that sometimes will plug with sand or mineral build up from the hardness of the water. If this is the case and the dishwasher is just filling very slow or with not enough water, then replace the water inlet valve on the dishwasher.
  • 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. Located on the side of the dishwasher tank.
  • Check for cracks in the tub.
  • Check the float switch seal.
  • Check the heater element where it enters the tub. There are gaskets that sometimes leaks.
  • Check the hose clamps.
  • Check the hoses for leaks.
  • Check the Pump / Motor for leaks
  • Check the door gasket for leaks
  • Check the Soap Dish Gasket For Cracks (Seen this quite a few times ) 
    Note: When replacing Seal a dab of silicone on the gasket will help it seal even better. It will also get you by until you can order and install a new latch seal. You can do this from the outside of the dishwasher door. You do not need to split the door to do this Temporary Fix. 
Water leaks from the door.
  • Check the Gasket around the Soap Dish Latch (Seen this quite a few times )  Note: When replacing Seal a dab of silicone on the gasket will help it seal even better. It will also get you by until you can order and install a new latch seal. You can do this from the outside of the dishwasher door. You do not need to split the door to do this Temporary Fix. 
  • 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 float 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 the wax motor. 
  • Check the soap dish latch and linkage
  • If you have just replaced the latch , verify that the wax motor is pushing the latch. If it is then you may have to trim the edge of the latch as the new latches are sometimes deeper.
Rinse Agent not dispensing
  • Check soap dispenser and rinse agent dispenser linkage.
  • Check the pump in the rinse agent tank
  • Check the rinse agent cap

 

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