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It sounds like you just need to reset the controller. This is done by running (or partially running) a diagnostic cycle, which will clear the error. Here's how to do it: Depending on the model, and the keys you have, press the following sequence of keys quickly (with less that 1 second between key presses:
Heated Dry - Normal - Heated Dry - Normal; or
High Temp - Air Dry - High Temp - Air Dry; or
Hi Temp Scrub, Energy Saver Dry, Hi Temp Scrub, Energy Saver Dry; or
High Temp Wash, Heated Dry, High Temp Wash, Heated Dry.
You will know that you have entered the diagnostic cycle when all the lights light up. Let it run for a few minutes, and then press Cancel to stop the diagnostic cycle and clear the error.
Note: On some of the newer Whirlpool, Kenmore, KitchenAid dishwashers, you start the diagnostic cycle by rapidly pressing the 3 left-most keys in the following sequence: 1 2 3, 1 2 3, 1 2 3.
How long does it stay in the wash cycle? Indefinitely? Does the display continuously show "WASH"?. If it stays in the wash cycle indefinitely (i.e. continuously shows "WASH" for significantly beyond approx. 3 minutes), it's probably a control board malfunction. If it continues to wash after the "WASH" indicator goes out, it could be a shorted wash motor relay on the relay board or a fauly control board.
If the internal rinse water booster heater doesn't reach it's programmed setpoint temperature in time, the dishwasher will run an extended wash cycle to give the booster heater more time to finish heating the rinse water. If this is what's happening, the wash cycle would last approximately 3 minutes, then it would rinse regardless of whether the booster heater has finished heating or not.
The booster temperature thermistor may be bad, giving a false booster temperature reading, causing an extended wash cycle as described above. The booster heater elements or contactor may be bad, preventing the booster heater from heating and reaching proper temperature, also causing the same extended wash cycle to give the booster more time to heat.
This may sound strange but that is a normal cycle time for today's dishwashers. They use much less water and the water is 'recycled' within the filtration system in the pump.
By reusing and filtering this water they save on heating energy and water consumption. The motors are not as powerful so they use less power even when running longer. Many machines will alternate the wash between the upper and lower arms, this type uses much less water and energy but again the trade off is long cycle times.
If you were to select a heavy or pots and pan cycle with hi temperature wash and a sani rinse your times can be up to 4 hours in some machines today.
The reason behind these savings are mostly due to the energy standards that the appliance manufactures have to abide by today.
I know this may not have been what you wanted to hear but it is how they work today.
Smart wash: 2 hours
Anti-bacterial wash: 2.5 hours
Normal wash: 2 hours
China/Gentle: 1.5 hours
Quick Rinse: 10 minutes
Note: If water temperature is low the times shown above will be extended to allow for water heating time.
This information is from page 14 of the manual.
Works for me, empty the dishwasher of any dishes, silverware, pot or pans, get (2) jars of "Tang" orange drink. Use (1) jar to fill the soap dispenser and poor the rest into the bottom of the dishwasher.
Run the dishwasher through a normal wash cycle with no heat/dryer time.
Run a second time if necessary. The orange juice acid will dissolve the build up in the dishwasher and rinse it away. It also smells good when your done.
For regular maintenance, repeat once every 3 months or so. It will not harm the dishwasher and will keep the interior components fresh and clean.
Your question is: The dishwasher goes through the first wash cycle on a light setting and first two on a normal cycle but will not continue.The motor hums but does nothing else.It drains fine as well after the wash cycle.
Without additional info it sounds like a control problem. Must be a warranty call. If beyond warranty then you have to decide whether it's more cost effective to repare or replace it.
Feel free contact me again! Please give me a rating here at fixya.com before you sign off Thank you, Harvey your Master Plumber
it may be a heating problem,does it get hot at all, or over heat.may be a thermistor fault.remove the door skin and see if rinse aid has leaked onto the wiring.or the board itself cauld be faulty,but are very expensive.hope this helps.