It made like a crunching noise then this evening it didn't work. just makes humming noise
The pump probably has bones or food stuck in it. Take out the racks and see if you use a flashlight, whether you can spot anything in the area of the pump drain.
SOURCE: dishwasher stopped washing just making
humming noise is the wash pump energised but not turning.
this can be:
wash pump seized up
foreign object stuck in the pump impellor.
pump capacitor faulty - a common fault. if pump turns freely by hand but not when energised, then the fault is probably the pump capacitor - cheap part
SOURCE: My dishwasher is making a humming sound and does not rinse?
A humming sound can be a failing wash motor (that drives the water pump) or it can be as simple as a blockage in the the pump area beneath the lower spray arm, under the filter.
Remove the spray arm and the filter top (screws will need to be removed)
Use a flashlight and inspect all over the sump area for debris that is blocking/jamming the impeller area. Reasemble and test with a short cycle.
If the dishwasher continues to make the same humming, it is time to replace the wash pump.
Good Luck! Post back here if you would like more guidance.
SOURCE: Dishwasher doesn't spray water after filling?
could be a blocked pump or capacitor fault,check if pump armature will move(centre rotating part)you may be able to view end of pump with lamp,there may also be a slot for a screwdriver to move armature,you will feel if there is something stuck,hope this helps
SOURCE: No water running through cycle once filled....making humming noise once clicks into cycle
pump should be checked for restriction of movement,is there something blocking it?does the capacitor smell?if it does its blown(or meter check-more accurate),hope this helps
SOURCE: No water running through cycle once filled....making humming noise once clicks into cycle
Both problems sound like motor has failed or is failing.
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