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Bosch SGS53C12GB/21 dishwasher

I have a Bosch SGS53C12GB/21 dishwasher, & when you put it on, it works but don't heat up, & it dont stop, just keeps going, is it the control module, & how do i remove & replace it? Thanks John

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Dave Duff
  • 30 Answers

SOURCE: bosch dishwasher shu4302uc

Common problem with these. Control panel (behind all the buttons on the door) has a thyristor in the middle of the PCB for switching the heater element ON/OFF.
After many screws and a bit of fiddling about, get access to back of PCB (print side) to find dry joints. Clean and re-make joints and all should be well.
Caution, this is a high voltage area. Disconnect from mains.
Please see photos.

Posted on Mar 10, 2008

  • 1 Answer

SOURCE: Replacing Control Module

Did you get your problem resolved. By now I think you have found the two screws on the sides of the inter part of the door. Did replacing the module fix your problem. I have the same problem.


Posted on Jul 06, 2008

  • 76 Answers

SOURCE: How do I replace the heating element for a Bosch SHU53 dishwasher

are you sure its the element, the control boards on them get bad soldering joints and the you get the impression that the element is bad, but its the solder joint that controls the element that goes can resolder that

Posted on Dec 30, 2008

  • 1 Answer

SOURCE: Bosch SHV 6800 dishwasher, 2HR error

Bosch dishwasher all cycles start at 2H and get hungup on 1 min.

Posted on Apr 30, 2010

  • 1 Answer

SOURCE: Bosch SKT 20 table top

Bosch SKT 20 επιτραπ?­ζιο νερ?? πλυντ?®ριο πι?¬των σταμ?¬τησε ζεστα?¯νεται, το βραχ?¯ονα ψεκασμο? ?­χει σταματ?®σει να περιστρ?­φεται και ψεκασμ??

Posted on May 23, 2010

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Need a manual for Bosch SGS53c12gb dishwasher The check water light is on and the machine is not draining


Firstly, here's the manual for the SGS53C12GB/XX you requested:

The manual will tell you that the check water light (tap icon) is a problem with the water-supply, but this warning light also illuminates when the machine fails to pump out.

Your problem is most likely a blockage in the sump or the drain-hose or possibly a defective drain pump motor. The drain pump impeller can get jammed on these.

First, with the power switch on the control panel in the ON position, open the door and locate the mushroom float in the bottom of the washing compartment/tub.


Lift the float (about 3/4 inch) and listen for a humming from the drain pump motor. If you can hear the motor, keep the float lifted and the water level in the washer starts to drop. If the motor hums, but the water level doesn't drop, you either have a blockage in the drainage system or the impeller may be jammed or become detached from the spindle. If you can't hear the motor with the float raised, the drain pump motor may have failed.

If you can hear the motor, next check for blockages in the drainage system. First remove the filters from the bottom of the washing compartment and check for any debris/blockages here (see pages 19-20 of the user manual I supplied. Next, if the drain hose is attached directly to the waste-trap under your sink, disconnect the hose from the spigot on the trap and check for any blockages in the end of the hose or in the spigot on the trap itself. If you haven't found any blockages in either of these places, pull the dishwasher from under the counter and follow the hose all the way back to the rear of the dishwasher, squeezing and flexing the hose gently as you go. You may be able to feel a blockage in the hose and the gentle flexing may break-up any blockage. Don't be aggressive with the hose as it could split, particularly if it's old.

Finally, if the drain hose is attached to the waste-trap, make sure you aren't running the dishwasher with the plug in the sink as this can create a vacuum and prevent the dishwasher from pumping out.

Hope this helps. Please try the above and then get back to me with your findings if you need further assistance.


Oct 17, 2011 | Dishwashers

1 Answer

My dishwasher dont dry

Check your heating element..
A bad heating element causes many problems in dishwashers...

Dishwasher Problems The Heating Element not Working

Dishwasher Maintenance


Asker's Testimonial " explanation very clear. will give it a go and seehow simple it was. thanks Ronnie " - ronnieshomes

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The dishwasher keeps running, doesn't finish cycle, doesn't drain. What can I do to fix it. Put a load in and it ran for over 2 hours. I had to manually stop it. (push off button)

uou must replace the module control. some of those control are covered under the recall at bosch or go to thermador .com they are the same company. hope this helps.

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If the cycle doesn't complete, check these:---
Water-heating cycle Many dishwashers heat the wash and/or rinse water to a higher temperature, as the cycle calls for it. In these cycles, the dishwasher pauses after it has filled with water, waiting for the water to reach the pre-set temperature. What happens next, depends, as follows: On some units, the pause is timed and the unit continues after the allotted time. On others, the cycle can't continue until the water reaches the higher temperature. If you have this type of dishwasher and the water isn't being heated (say, because of a problem with the heating element or thermostat), after the unit stops at the heating cycle, it never continues. When you repair the heating-system problem, the "cycle problem" is fixed too. Timer Timers don't often fail. But if every other part of the dishwasher seems to be working properly and the timer knob seems to be stuck in one place--doing one function continuously--the timer may be at fault. Dishwasher timers can't be repaired. If yours is defective, replace it.
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

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1 Answer

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your chicken wish bone may have broken your drain pump- it may have prevented the impeller to spin while the motor was on-not good. you may want to consider changing the drain pump...

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Cold water. Water has never been hot since installed.

indicates that the heating element in the unit is non operational ( not connected or burnt out )

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This sounds like a thermal stop as well. The unit wants to get up to a final rinse tempurature but can't reach it so just keeps going. If you have an amp probe you can check to see if the heater is coming on in the final rinse. If it is not, could be the thermistor of even the heater.

Sgt 48

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