Question about Bosch 24 in. SHU53 Built-in Dishwasher

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Bosch shu5314 won't heat the water.

Everything else works fine but it won't heat the water. Do I need to replace the heater? thanks, gregg

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  • stetzer Nov 09, 2008

    Well thanks is that a fairly easy replacement job for someone mechanically inclined?

  • stetzer Nov 09, 2008

    Can I get step by step instructions since I can't find a repair manual.?

  • stetzer Nov 09, 2008

    Thanks and the Control Module Part?

  • stetzer Nov 09, 2008

    a little

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3 Answers

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You can get manual from this link

Bosch

Posted on Nov 09, 2008

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It could be a faulty heating element or control panel. Also check the wiring for continuity, etc. However, if you do not have experience in these type of repairs, I would suggest you leave it to the repairman to fix.

Posted on Nov 09, 2008

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Yes the heater is most likely the problem

Posted on Nov 09, 2008

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1 Answer

My bosch dishwasher does not end its cycle


It's caused by the water not heating. You see, during the main wash portion of a cycle, your Bosch turns on the heater to heat the water, and it monitors the temperature. It won't advance until the water reaches a pre-determined temperature (145 or 155 deg F). But if the heater doesn't work, then it will stay there forever waiting for the water to heat up. (In some Bosches, it gives up after 3 hours; others it will wait forever!) But the problem usually is NOT the heater! Instead, it is the control module. If you remove the control module and take it apart so you can see the bottom side of the circuit board, you will probably find a bad solder connection to one of the relays. And if you can solder, you can fix it (temporarily). I say temporarily because that solder connection will go bad again in a few days/weeks/months. The problem is that the contacts inside that relay are bad (pitted), and that generates heat, which follows down the pin to the circuit board, and melts that solder connection. IF you could find that relay somewhere, you could just replace it, but usually I haven't been able to find it separately, and it's a lot easier to just replace the entire control module.

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I have a bosch diswasher model number SHU43C05UC / 17 and the water is not as hot as it used to be - I thought i remembered the sales person mentioning a heating element - 2 questions - 1) is there a...


Yes there is a built in heater that can be replaced, however, if the heating is intermittently it is possible that it is a filling issue as the heater has a boil dry prevention switch. This basically means if the water level is too low the heater will not come on.use this link http://www.bosch-home.co.uk/store/spareparts/DishwasherBOUG4PaintedStainless/SHU43C05UC/17go to page 4, you need to check parts listed 428 and 427 are free of build up as this will cause a drop in water level. If the heater has failed this is part 409 on the same page. Please ensure that the unit is completed isolated from the mains before carrying out any diagnosis. To check these parts you need to remove lid (usually held on by two clips at rear and pushing the lid toward the back to release) and the left side panel needs to be removed (usually two tx20 screws at the front). Hope this gives you a starting point, repost if you need further assistance. Good Luck.

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1 Answer

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Daniel

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1 Answer

The "clean" light is flashing


Hi


If clean light is blinking then it may be an issue with heater circuit, door switch or wash pump, please reset the power to the dishwasher. After, 5 minutes check if you are still getting the same error. If yes, then it is a water heating fault. To resolve this error try pressing this reset sequence-- Heat Dry - Normal - Heat Dry - Normal or High Temp - Air Dry - High Temp - Air Dry or Hi Temp Scrub, energy saver dry, Hi Temp Scrub, energy saver dry. Now let the unit run for 2-3 minutes and then you press the Cancel/Drain button and allow it to completely drain and reset. If this doesn't work then it's an issue with the wash pump not pumping the water past the heater efficiently or due to lack of water to heat. Please make sure that heater is not open circuited and is heating the water efficiently. You'll have to check the heater using a multimeter; the meter should read between 3000 to 3300 ohms (Use multimeter on Rx1 ohm setting). If heater is fine then make sure water pressure is optimum and fill valve is working fine. Hope this helps... Please post back if you need more information.


Daniel

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1 Answer

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1 Answer

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Hope this helps, please leave feedback.

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1 Answer

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If the appliance is connected to both hot and cold water, open more the hot water faucet.

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Here are more suggestions from Repairclinic:

The cycles times are too long If your dishwasher's cycle times are too long, check these:

Water pre-heating
Cycle not completing
Water pre-heating Your dishwasher may pre-heat the water. If so, and if the water entering the dishwasher is cool, the heater may take up to half an hour to heat the water.

To avoid the wait, increase the incoming water temperature before turning on the dishwasher. Do that by running the kitchen sink faucet until the water runs hot. Or increase the temperature of the hot water to the entire house at the hot water heater.

Warning! To lessen the risk of scalding, don't set the hot water heater temperature higher than 120 degrees Fahrenheit.

If you need replacement parts or exploded views you find them here.


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3 Answers

Bosch


f is fill fault to much or not enough water or water in the sump white plastic base the f code will not go away until you solve the problem when the f code shows up the drain motor will run all of the time

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