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No a noise filter is a different kettle of fish. That stops electrical interference noise from affecting your television, radios and electrical devices.
The most likely source of the hum is the start capacitor on the motor, or the motor itself.
Humming or Grinding
If your Samsung dishwasher makes noise when starting that sounds like a low hum, it's part of normal function. The motor makes this sound as it operates throughout the wash cycle. However, a dishwasher making loud humming noise or grinding sounds could mean that debris is caught in the drain pump.
Many Frigidaire
dishwashers come with the promise of being the "quietest dishwasher in
its class," according to Frigidaire. However, a quiet dishwasher doesn't
necessarily mean that the dishwasher is silent, as some noises are
normal. It can take some troubleshooting at times to determine if a
noise coming from the dishwasher is typical or if it indicates a larger
problem
Listen for the sound of water filling and draining throughout the washcycle. These sounds are normal and do not indicate an issue.
2
Pay attention to the drain
motor, which operates at the beginning of each cycle. This noise should
be fairly quiet and should not sound like a loud, grinding or banging
sound.
3
Note that the sound will change
when the wash cycle moves between the lower and middle spray arms. This
sound should be temporary and fairly quiet.
4
Look for hard items in the dishwasher
grinder or filter if a loud crunching, buzzing or grinding sound is
heard. The dishwasher can typically grind up these items within one or
two cycles, but the item may be lifted out and discarded to eliminate
the sound.
5
Remove the bottom rack and spray
arms from the bottom of the dishwasher if there is a loud noise coming
from the dishwasher that does not resolve itself. Look inside for the
impeller, which is round and spins. Remove any debris that may be
clogging up the impeller or pump.
Most likely the motor/pump assembly is worn out and grinding. If the machine is less than five years old it is under warranty. If over five years old, the repair part alone is about $150 not including labor.
sounds like an issue with the drain pump, disconnecting the drain hose fromm the trap and run the unit, pointing the disconnected drain hose into a bucket. You should get a fairly strong stream of water until most of the unit has drained, if not you either have a blockage or ,with the grinding sound, a bad pump.
Well done by resolving this problem. The other way to avoid the siphoning problem through the drain hose is adding an air gap valve/connector (available at any hardware store). You can use it even if you don't have a garbage disposal in your kitchen sink. That will assure that you have the proper height of the drain hose.
Hope this helps!
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