About 2 months ago our bosch dishwasher flooded our kitchen. Tried using it one more time and had been working fine since then. Just the other day, it seemed to never stop running. We opened it, and It did clean the load that were in there though. Used it one more time later that evening, and the unit ran for a very long time. When we opened it, the dishes were still dirty. As if no water ran through the unit. Is it worth having someone come ou to fix, or buy a new one. What do you think is worng, and is it something easy to fix?
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Re: dishwasher not working porperly
The strainer is located directly under the lower sprayer arm. When the strainer becomes clogged with food and detergent debris, the dishwasher may flood or overfill. On some dishwashers, the strainer is a plastic or metal component consisting of two semicircular halves. To remove this type of strainer, pry it up. On other dishwashers, the strainer is a one-piece component. To remove this type, remove the cap that holds the sprayer arm on its shaft. Then remove the sprayer arm and the strainer.
Wash the strainer in the kitchen sink with water and a mild household detergent. Use a fairly stiff brush to get all the debris out of the holes and slots in the strainer. Rinse the strainer well and replace it. If part of the strainer lifts out for regular cleaning, check it and clean it -- if necessary -- after each load of dishes is washed.
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You will need to remove the unit from its installation in the cabinetry. Check the wiring connector located on the rear of the base, near one side. The wire connection must be clean, dry and securely snapped into place. If this connection is burned, distorted or won't allow the plug (special shape) to click securely into place then it should be replaced. Since the unit is totally dead it would appear there is no power reaching the control module, But, you can also confirm that water did not overflow the top of the dishwasher base pan and allow water to enter the pump motors (there are two.) If so these must be thoroughly dried. They may be damaged if power was supplied to a motor with water in the winding and contacts.
I have a Bosch SMS 4012 works fine till cycle finished. when I turn it off it trips the power safety switch at the switch board. To prevent trips happening I have to switch off at the power point and unplug .The washer is 20 years old and the problem started around 3 months ago.Is it a major problem.
Your dishwasher is stuck in flood mode. Bosch dishwashers are built with flood switches located in the bottom base pan of the dishwasher. The flood switch is connected to a rod that activates a small interlock switch. When water enters the base pan on a Bosch dishwasher, a Styrofoam puck lifts the rod, activating the flood switch.
When the flood switch is activated, the dishwasher will go into a no-fill, only-drain mode. The drain motor may also run with the door open to the unit. This is definitely a sign there is water in the base pan. This can be caused by the drain being clogged. There are two ways to fix:
1. You can uninstall the dishwasher and tip it forward to about a 45 degree angle to drain the water out of the base pan. (This is probably why Ian Bint's solution fixed the problem.) Be sure to put a towel under the dishwasher first so that the water is soaked up in the towel instead of going all over the floor. Once you've drained all the water out of the base pan, reinstall the dishwasher and begin a cycle. If it fills and runs, you are good to go.
2. You can also unplug the unit, then remove the kick panel at the bottom in the front. (It's attached with two screws.) Then get some old washcloths or small towels and reach into the base pan below the dishwasher to soak up the water. The pan is directly behind the plastic base panel rim. Once the pan is empty and dry, your dishwasher will no longer be in "flood mode" and will run properly.
If the base pan keeps refilling with water and the no-fill problem returns, there is definitely another issue, such as a clogged drain. At this point, you need to decide whether to invest in an expert evaluation by a certified Bosch repairman and make the necessary repairs, or buy a new dishwasher.
most bosch have the inlet valve at the end of the fill pipe and it has an anti-flood device.
try turning off the water, take off the fill pipe then reconnect it and see if this works.
taking off the fill pipe resets the anti-flood device