Question about Whirlpool Dishwashers
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
Posted on Aug 22, 2008
I've got the same issue with my whirlpool dishwasher, model GU1200XTLS. If I find out anything, I'll let you know. Have you received any insight?
Posted on Feb 25, 2007
your model is pretty new. just so you know your warrenty is 1 year parts and labor. 2 years on parts. it should not cost that much money.
there are two components that start before the circulation pump.(wash noise you hear)
first sounds you hear will be the drain pump. usually rattling noises if something is in it but it can make a hum noise if something is jamming the drain propeller up. which is accessible with a T20 torx driver. take the filters out and the mesh filter. and unscrew the screw in the base towards the left. pull out whatever is lodged.
the other humming sound can come from the next component that activates is the watervalve. make sure you dont have a kinked water intake line. otherwise its a bad valve. i have had to change a few of those water valves out already but not for a hum noise on your model. you have a new style water valve. when brands make new parts we get problems fast sometimes..
Posted on Mar 19, 2009
SOURCE: very noisy wash cycle
most times i have found a foriegn object in the pump. sometimes the machine will clear it itself but other times you have to take the pump apart. it is not too difficult but you will need a size T15 and T20 Torx aka (star) bit to get it apart. Just keep taking out screws until the filter flowplate lifts off.
Posted on Dec 10, 2009
I have the same problem with my dishwasher. If you remove the kick plate while it is running, There is an electric motor underneath. If you push up and pull forward on the electric motor, the noise will stop. I used a block to prop it up and the noise stopped. You may want to try it.
Posted on Feb 05, 2010
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