Suddenly since today our Bosch dishwasher SMU50E75AU/36 is making a buzzing noise. It’s changing frequency during the cycle and sometimes stops. It still works fine. Sound comes from bottom of device, not from inside.
See video with sound here.
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Rep: 13
1
When the dishwasher starts to make funny noises or working load it is usually because there are debris caught in the draining pump, although a problem with the motor is not an exception.
Drain Pump: The drain pump needs to be checked for debris. If its clean and noisy it needs to be replaced.
Circulation Pump: Bearings inside the circulation pump will wear out over time and can cause a loud groaning sound while the dishwasher operates.
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Please give us your model number.
by mayer
@mayer Thanks, type number is SMU50E75AU/36
by Boland