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Hi Jo - Often when a unit is making a humming noise, it is
because the unit cannot properly drain and dispose of the water and detergent
solution. Either the drainage hose or pump
may be clogged and needs to be cleaned. If not, the washer may possibly be
experiencing an issue with the door lock assembly, faulty pump, timer or
control board not communicating correctly. Because it could be a number of any
one of several underlying causes, I would recommend contacting a professional
to properly diagnose and repair the unit.
Most likely a motor or solenoid has a loose coil or its magnetic field is vibrating a nearby piece of steel. If it hums all of the time except when the washer is filling, it is the timer or main motor. If it hums only when the washer is filling, it is one of the water valves (you can isolate by selecting hot or cold instead of warm for one of the cycles).
The timer motor is on the control panel right behind the cycle select knob. The main motor is under the tub. If the main motor is humming, it may be overloaded, but in that case, the humming should diminish as the motor gets up to speed.
HI, this timer mechanism is damaged, and i recommend the replacement of this defective timer control module asap. it can be accessed by removing the cover that is located behind the control panel. the timer is screwed onto the panel from the backside.
replacing this timer control module will correct this issue.
Check the water pump for an obstruction in the chamber area, your pump may be sticking and that will cause the buzzing sound. The water pump runs during the fill portion of the cycle on several of the selected wash cycles to recirculate the water.