Question about Bosch 24 in. SHU53 Built-in Dishwasher

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Replacing the heater unit in a Bosch dishwasher SGS43e02

The heater unit needs replacing in my dishwasher (I have proven this using a multimeter - it is not the circuit board or underfilling).

I have the new heater unit in my hands but it seems very hard to get access to where I need to get to fit it.

Is there any shortcut access or do I have to do a major dismantling job on the machine? If the latter, what is the best sequence for taking it apart? Do I have to turn the machine upside down or on its side to access the heater? Any hints and tips?

Thanks,
Rob

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I have just finished changing the heater on my Bosch SGS55C02GB. It is a tricky job but fixed my problem for £100 instead of paying £350 to replace the whole thing. My model had no access hatch to the heater, as described by the previous solution, the only way to get to it was to take the whole plastic bottom off the unit. After reading other posts on other forums, taking the bottom off seemed like a nightmare job, so instead, I cut out a hole in the plastic tray with a jigsaw and created my own access. Obviously had to be vary careful not to cut any wires or pipes! This allowed me to actually get to the screws to undo them, and swap the heater for the new one. The only extra part I needed was a new jubilee club to replace the original one that attaches to the pump. The part I replaced was:
http://www.ransomspares.co.uk/parts/dishwashers/neff/instantaneous-water-heater/220088.htm
Good luck!

Posted on Jan 27, 2011

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Hi

I had first tried to fix the heater problem by following the advice to look at the relay in the control unit and to re-solder the faulty joint - I did this but it still did not work so I bought a new heater unit instead

I have now just replaced the heater unit in my machine - its simple if a little fiddly

first switch off power to the machine just in case!

If it is a "flow through" type do the following:

remove the metal panel at the bottom rear of the machine held in place by two self tapping scews with a "star" head on them - you will need a special screwdriver for this as slot head or "Philips" type wont work

remove the thin metal panel and you will see the heater unit to the left

it is held in position by the two pipes to which it connects - in my case a cream/semi-transparent pipe on the left and a black rubber pipe on the right

they attach to the heater by two clips - you will need a pair of mole grips of pliers with wide enough mouth to squeeze the clips together and slip them back along the pipes so that you can pull the unit off the hoses - just make a note of how they looked and were positioned so that you can put them back in exactly the same place!

then remove the electrical contacts but just note where they go before doing so - this is the fiddly part but just rotate the unit slightly to expose them so you can pull them off - it s ok you cant break anything by giving them e bit if a tug!

then remove the unit and slide the hoses over the ends of the replacement - attach the two connectors - slide the clips back into their original positionand just check that it is all secure and the hoses are properley on as far as they will go

replace the panel and then connect to power and it should now work

hope that helps

Posted on Feb 15, 2009

  • mccarr Feb 15, 2009

    Not sure if you ggot this so am re-sending in case - good luck

    MCC



    Hi

    I had first tried to fix the heater problem by following the advice to look at the relay in the control unit and to re-solder the faulty joint - I did this but it still did not work so I bought a new heater unit instead

    I have now just replaced the heater unit in my machine - its simple if a little fiddly

    first switch off power to the machine just in case!

    If it is a "flow through" type do the following:

    remove the metal panel at the bottom rear of the machine held in place by two self tapping scews with a "star" head on them - you will need a special screwdriver for this as slot head or "Philips" type wont work

    remove the thin metal panel and you will see the heater unit to the left

    it is held in position by the two pipes to which it connects - in my case a cream/semi-transparent pipe on the left and a black rubber pipe on the right

    they attach to the heater by two clips - you will need a pair of mole grips of pliers with wide enough mouth to squeeze the clips together and slip them back along the pipes so that you can pull the unit off the hoses - just make a note of how they looked and were positioned so that you can put them back in exactly the same place!

    then remove the electrical contacts but just note where they go before doing so - this is the fiddly part but just rotate the unit slightly to expose them so you can pull them off - it s ok you cant break anything by giving them e bit if a tug!

    then remove the unit and slide the hoses over the ends of the replacement - attach the two connectors - slide the clips back into their original positionand just check that it is all secure and the hoses are properley on as far as they will go

    replace the panel and then connect to power and it should now work

    hope that helps

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