Jan 31, 2013 · Bosch Dishwasher is making a loud grinding or squeeking noise part way through. Duration of the noise varies with each wash. And it continues even if we pull the electrical plug on the dishwasher.
The Bosch dishwasher diagnostic mode is an extremely helpful tool when it comes to identifying problems with your appliance and should be utilized whenever Bosch dishwashers are available at most hardware and appliance stores, and are some of the most well-known options for dishwashers.
Circulation pump -- Unlike many dishwashers, Bosch dishwashers use separate circulation and drain pumps to reduce noise, vibration, space and energy usage. The circulation pump circulates water from the sump into the spray arms.
The circulation pump is scured by a single screw in the back panel. remove this. make a careful note of all the electrical connections and also the hose connections and then remove then. Wiggle the circulation pump free and when possible remove the packing piece which fits between the end of the pump and the dishwasher casing.
Disconnect power to the dishwasher if the problem continues. Pull out the bottom rack and lift out the bottom spray arm. Locate the pump assembly on the bottom of the tub, which is round and underneath the spray arm mechanism. Look for items that may be blocking the pump, preventing the slide shutter on the pump from closing.
Jul 19, 2016 · Dishwasher noisy. When reported this fault will depend on several factors, the main ones being what sort of noise, when in the program and what machine it actually is. So there are many variables here. However, things to check would be: Spray arms or mounts faulty; Main recirculation motor; Drain pump faulty; Drain pump jammed or object trapped
Water circulation pump (aka heat pump) impeller failure in ~ 6 years of use. Not a bad product, cleans well, very less noise, electricity consumption is great, cleans ok, have been using for 6 That's all these Bosch dishwashers are built for. The power supply died and parts so expensive I can buy a...