UNIT FILLS AND PUMPS OUT CONTINUALLY BUT WILL NOT WASH OR CYCLE
I replaced a defective water valve and now when I put the dishwasher on a wash cycle it fills and as soon as it's filled it pumps out before washing. Furthermore it continues to do this over and over again and will not cycle forward....Thanks for any advice...Dave
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Re: UNIT FILLS AND PUMPS OUT CONTINUALLY BUT WILL NOT...
You may have a defective pressure switch, this is located on the back of the well, access from the rear of the unit. It black with an orange sticker, from the rear it is slightly to the right of the well, but not as far round as the drain pump.
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Heating element may fail. This will lead to the machine stopping part way through its cycle
Pumps. There are 2 pumps in most dishwashers. The drain pump,( which describes itself -it pumps the water out of the machine.) The recirculating pump which forces the water at high pressure through the spray nozzles and arms. (This is how the cleaning action is performed) These pump may either leak, or burn out. Either way, the only solution is replacement.
Well first of all you can check the Water-inlet valve Most cleaning problems are caused by the dishwasher not getting enough wash water, so the water-inlet valve is often to blame. This valve is usually at the bottom left or right of the dishwasher, behind the lower access panel. It's the device with the main water line from the house, a rubber tube to the dishwasher, and two wires attached to it. When a water-inlet valve is defective, you may hear the sound that's usually referred to as "water hammer." If the water-inlet valve is defective, you need replace it. After then you can check the Drain valve, that should open only during draining. If debris lodges in the valve, it can't close properly, so water drains out during the wash cycle. Most dishwashers drain into the garbage disposer. If yours does that, listen for water flowing into the disposer during the wash cycle. If you can hear it then, the drain valve may be clogged. Please post comments if you need more help or information..............
There is a diverter valve that determines whether the pump re-circulates the water during the wash cycle or pumps it out to the drain during the drain cycle.
The valve is probably defective or possibly there are food particles which are preventing it from closing properly. The valve is usually built into the pump and has an electrical solenoid to open and close it. Check that the mechanical mechanism works freely and, with the bottom panel removed, check to see if the valve opens and closes when the dishwasher swtiches between the wash and drain cycle.
To check for food particles, you will probably have to disassemble the intake hoses from the pump and see if you can feel inside the pump intake for lodged food particles on the valve seal.
cleaning problems are caused by the dishwasher not getting enough wash
water, so the water-inlet valve is often to blame. This valve is
usually at the bottom left or right of the dishwasher, behind the lower
access panel. It's the device with the main water line from the house,
a rubber tube to the dishwasher, and two wires attached to it. When
a water-inlet valve is defective, you may hear the sound that's usually
referred to as "water hammer." If the water-inlet valve is defective,
you need to completely replace it. Dishwasher Water Inlet Valve Replacement
Be sure to read and understand any instructions that come with the new water inlet valve.
Water-heating cycle Timer Water-heating cycle
Many dishwashers heat the wash and/or rinse water to a higher temperature, as the cycle calls for it. In these cycles, the dishwasher pauses after it has filled with water, waiting for the water to reach the pre-set temperature. What happens next, depends, as follows:
On some units, the pause is timed and the unit continues after the allotted time.
On others, the cycle can't continue until the water reaches the higher temperature. If you have this type of dishwasher and the water isn't being heated (say, because of a problem with the heating element or thermostat), after the unit stops at the heating cycle, it never continues. When you repair the heating-system problem, the "cycle problem" is fixed too.
Timers don't often fail. But if every other part of the dishwasher seems to be working properly and the timer knob seems to be stuck in one place--doing one function continuously--the timer may be at fault. Dishwasher timers can't be repaired. If yours is defective, replace it.
If you are saying that in the wash cycle it fills and then stops it could be that your water temp is too low. Some models will stop to heat the water in the main wash before going into the agitate mode.
does the water line going to the unit have a filtration system on it?the filters may be clogged.check the wash arm holes for obstructions.it seems to be low water pressure or the solenoid valve that energizes and lets the water flow may be obstructed/defective.if your unit has a float make sure its clean and moves freely.