My bosch has had problems, first it wouldnt shut off by itself. When it was down to 0 minutes it would start back at 30 mins and continue washing till I manually set it to drain pressing the scrub and delicate buttons simultaneously. The washer started and washed as normal, but when it was time to complete, I manually drained it. This worked for a couple months, then it stopped washing altogether. When starting the wash it turned to 2 H and never started washing and the 2 H never decreased.
I tried the diagnostic, but it never cycles through the wash phase. The lights flash and says 0 in minutes, never completing the diagnostic.
I replaced the control panel and still it wont wash. The wash cycle starts off at 90 min like expected and even counts downward. When it starts, it sound like it drains, but then after that, the water never comes out for the wash. It continues to count down.
I think the machine has had it.
HELP, my wife is gonna kill me if I don't fix this or replace it.
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Re: Bosch SHU5318: Water wont start washing
If it hums when you are in the wash phase then something is jamming the wash impeller like broken glass tooth pick found a necklace in one one time i think replacing the control board fixed the other problems on most washers the drain pump is separate from the wash motor haven't worked on bosch so not sure take off the lower spray arm and go down till you get to the impeller then do what you have to do clear it or replace wash motor
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The newer washing machines now have computer like problems. Sometime unplugging the machine for a few minutes then plugging them back may fix it. This could be warning beep related to the door not being shut properly or other issue. You need to find the manual and find out what two beeps mean. If you do not have the manual you probably can download one. Bosch may also have a help line to call for its customers.
Often, this is the result of a restriction of exhaust gases. This type of hot water heater must be adequately vented, (per installation specs). I found this out after taking a number of cold showers. :^( Two years later, and still counting, no more problems. :^)
My SHU43C is just over 3 years old. I had a similar problem recently. First, there were a few floods. Then, the Bosch only drained non-stop. Even when I used the Cancel Drain buttons the drain pump would run without stopping. When I tried to run one of the cleaning cycles, no water entered the machine. Corrective: I removed the base plate, and saw that the red plastic floatation device was in the up position. Using a flashlight and a wooden spoon, I lightly toggled the red float stem down. I pushed regular clean cycle and kept toggling with the red float stem until the rinse water started to enter the machine (turning the red stem seems to also actuate a step in the program). Now the dishwasher runs normally. Voila!
Bosch dishwashers are designed to heat the water to temp. However it has a 3 hr default if it doesn't reach temp. Start the cycle and see if after 1 hour if the water is hot or cold. If hot, then it is heating the water and the water coming in is just too cold. You may try running the water at the sink to get it hot there first before starting the dw. If the water is cold, then your unit isn't heating the water. At this point I pull the outer door panel, find the largest wires on the control unit and put my meter leads on them then start the machine. You will see 120 volts on your meter. Start the machine in light washes and with in 10 to 15 minutes you should see 0 voltage. Than means the relay has closed in the control and the hot line of the 120 volts is being sent to the heater. If this never happens, then you have a bad control. Bosch dishwashers have a 5 yr part warranty on the electronic control. Now If you get the 0 volts, I will put my amp meter on one of the same wires and check for 9 to 11amps. If that isn't there, then you have a bad heater assy. Hope this helps
Sounds like the control module is out -- cost about $100 (I am on my third). I got a "lifetime" warranty when buying my second one. If you are handy, you can replace it yourself. You can call Bosch to confirm this (I did). It mounts inside the door. Mine is a BOSCH 5316.
The draining problem may mean a clogged drain hose -- you have to check it all the way back to either the main drain or the garbage disposal (if you have one). This may be what forced off the impeller wheel.
Since water doesn't drain out,it could be a clog in the drain line. Often the problem is at the point where the drain line attaches to the garbage disposer or household drain line. You should remove this line and clear it form any debris in the hose or the hose connection. Be sure to reattach the hose before starting the dishwasher again.