in-line heater test?

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  • March 28, 2006 at 11:19 am #170424
    Mike_Javelin
    Participant

    Re: in-line heater test?

    I resoldered the terminal on the PCB and hey presto

    Hot Water

    Not sure how long it’ll work for but it seems to have dealt with the last 3 days with no problem at all.

    Many thanks to one and all for your help 😆

    April 3, 2006 at 11:08 am #170425
    norm888
    Participant

    Re: in-line heater test?

    Last Saturday (1st April ) my AEG 40850 stopped heating the water. It can be only be about 18 months old. Out of the standard guarantee etc.
    So I searched the web for info, price of new heater etc, any other info.

    I came across this website and read it with interest. To-day I got round to taking out the PCB. I had some experience of this with my previous Bosch 🙁

    And my PCB looks identical to the one pictured in this thread. Can I say a big thankyou to all, the people behind this website, the people who have posted on to it. 😀

    This is obviously a fault in the AEG 40850 and will most likely occur again!

    I will now go and get my trusty soldering iron and hopefully put things right.

    Thank you 🙂 🙂

    April 3, 2006 at 12:32 pm #170426
    norm888
    Participant

    Re: in-line heater test?

    Great 😀

    Hot water!

    Must buy a cheaper dishwasher next time, if I am going to repair it myself I might as well save money. I note the PCB is Electrolux Zanussi.

    I read somewhere else that Zanussi make this model etc etc, but I am sure everyone on this website knows that, I am new to the game.

    Go and put dishes in now 🙂

    April 23, 2006 at 11:10 am #170427
    Griv
    Participant

    Re: in-line heater test?

    A note of thanks for your excellent website. I know nothing about dishwashers at all but mine had stopped heating water. I a quick search of your forum and I found two related strands that identified a tiny solder problem on the PCB. Got into the PCB of my faulty zanussi DE6855 (just out of warranty of course) and found the precise fault quickly thanks to photos posted by Mike Javelin. One blob of solder and job done. Saved me an aweful lot of money and time. Top stuff.

    Griv

    January 12, 2007 at 1:46 pm #170428
    PhilW
    Participant

    Re: in-line heater test?

    A big thanks to all on this topic, back from holidays last week and the old AEG 44050 dishwasher is washing cold 😥 After checking heater continuity at 24 Ohms an easy fix was off. 😕 By chance dropped on this thread and hey presto, the PCB was out of the door in 2 mins flat and a relay dry joint found, quick resolder job and the old AEG will wash to see another day 😀 A big thanks to all.

    January 22, 2007 at 8:27 pm #170429
    wugoat
    Participant

    Re: in-line heater test?

    Excellent Website! Superb Topic…

    One of the earlier posters suggested taking to board in to the local appliance / TV repair shop to get them to resolder / replace the relay. Is this a viable idea?

    Also, somewhat related, how the dickens do you get the green spade-looking connector off the PCB? I’m scared 😯 to try BRUTE-brute force… is there a trick to it?

    many thanks for any help, forum folk!

    March 13, 2007 at 9:17 pm #170430
    solder-blobby
    Participant

    Re: in-line heater test?

    Hello Guys ,
    It’s a shame I didn’t read all this stuff before I spent most of Sunday morning dismantling my Zanussi 6855 !! Anyway, I had exactly the same problem with a dry joint on the relay terminal. Well done Electrolux!! Engineered to last – just outside the warranty period. I understand there was a press announcement – only any good if you have time to read the paper. The following link suggests the fault may trigger a ‘thermal event’ (a less alarming way of saying ‘FIRE!’) Keep up the good work………

    Solder-blobby.

    http://www.london-fire.gov.uk/fire_safety/reca … asp?id=390

    March 26, 2007 at 6:31 pm #170431
    fredwarwick
    Participant

    Re: in-line heater test?

    Gentlemen

    This all sounds relative to my 40850 running cold only. At the risk of appearing stupid – where is the cicuit board located and how do I get to it?
    At first glance all the stuff at the bottom is sandwiched between a plastis base and the underside of the washer – how do you get in there? Is that where the heater element is?

    thanks

    ps are technical manulas available?

    March 26, 2007 at 6:45 pm #170432
    iadom
    Moderator

    Re: in-line heater test?

    To answer your questions in order,

    1. In the door, watch for sharp edges,

    2.Yes, the element is in the base.

    3.Not to the general public.

    Jim.

    March 26, 2007 at 6:49 pm #170433
    fredwarwick
    Participant

    Re: in-line heater test?

    iadom wrote:To answer your questions in order,

    1. In the door, watch for sharp edges,

    2.Yes, the element is in the base.

    3.Not to the general public.

    Jim.


    Thanks for your speedy answer Jim, how do you get to the element?

    thanks

    fred

    March 26, 2007 at 7:10 pm #170434
    iadom
    Moderator

    Re: in-line heater test?

    After you have removed the plug. 😉 You can usually access the element for test purposes by removing the right hand ( looking from front) side panel.

    Jim.

    March 27, 2007 at 6:04 pm #170435
    fredwarwick
    Participant

    Re: in-line heater test?

    iadom wrote:After you have removed the plug. 😉 You can usually access the element for test purposes by removing the right hand ( looking from front) side panel.

    Jim.

    I have removed the screws from the rear of the side panel, but can anybody please tell me how to disengage the front of the panel please? The edge is covered by white plastic trim and i am loathe to pry it too hard. There appears to be a sort of clip 2/3rds up but again I am wary of prising it too much.

    thanks

    Fred

    March 27, 2007 at 7:30 pm #170436
    fredwarwick
    Participant

    Re: in-line heater test?

    Good evening i have a PCB just like the picture from Mike Javelin posted in March last year. He reported a successful solder repair. Can it be done with a bog standard iron and a dob of solder or is there a risk of melting the board?

    I wonder what causes the fault in the first place?

    Thenks

    Fred

    March 27, 2007 at 9:49 pm #170437
    iadom
    Moderator

    Re: in-line heater test?

    There is a small but significant risk of a bog standard solder job causing a fire later. A better repair is a new relay or complete new board. Zanussi dishwashers did burn the odd house down in the late 70’s. The wiring harness was routed in such a way that it chafed through and caught fire even when the machine was not in use. This particular model has caused the odd fire, even before the module has been repaired.

    There is a link to a fire brigade warning in this very thread.
    http://www.london-fire.gov.uk/fire_safe … asp?id=390
    It is your money but personally I would not risk a simple solder job, I would change the board or replace the relay with a new one.

    Jim.

    March 28, 2007 at 5:29 pm #170438
    fredwarwick
    Participant

    Re: in-line heater test?

    [Zanussi dishwashers did burn the odd house down in the late 70’s. The wiring harness was routed in such a way that it chafed through and caught fire even when the machine was not in use. This particular model has caused the odd fire, even before the module has been repaired.

    Thanks Jim, I understand the advice but is it material that I do not have a Zanussi but and AEG 40840?

    Thanks

    Fred

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