[ProgRob]

Re: Bosch Exxcel Auto Option Dishwasher – not completing pro

Sounds to me like the heating element too but there other causes.

You should be able to find the diagram of your machine from one of the models here (http://www.bosch-home.co.uk/store/spareparts/result?vibki=SGS66E02GB).

The 1 minute display is apparently an error code showing that it is not reaching its desired temparature.

Have you followed the steps on this thread? http://www.ukwhitegoods.co.uk/forumsphpbb3/viewtopic.php?f=33&t=40632

Cheers,
Rob

[ProgRob]

Drum Not Turning

The machine is still filling and then doing nothing at all regarding washing or spinning- i.e. the drum is static. Listening to the machine there is no attempt by the motor to turn ( i.e. no sound at all). I fear the motor has gone and a new machine must be purchased tomorrow. Can anyone verify this is the case?

[ProgRob]

Re: Bosch classixx 1000 express wont spin.

Hi all,

I have the same machine (Classix 1000 Express, WFL2066GB/01) with an identical problem. Had a bit of a noise over the last few days at times. Tonight, went to the machine and the clothes are all wet. Have run a rinse cycle (and also a spin cycle) and identified that the drum does not turn at any time. The machine appears to fill and drain OK though.

Have opened up the cap at the bottom and lots of water came out. I can easily turn the little blades within.

Any ideas? Is it the same problem as already explained? If so, how do I identify the parts to get to in order to clear the object as I am getting some kind of error through the Bosch spares website so cannot see the exploded machine diagram.

Any help gratefully received,

Thanks,
Rob

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

Just in case anyone stumbles across this. I used the continuity tester on my multimeter to prove that the temperature limiter was bust. Bought a replacement off UK Whitegoods (cheaper than Bosch and eSpares). Fitted it and everything now works fine.

Thanks to everyone for the advice!

Rob

[ProgRob]

I forgot my multimeter has a continuity tester for resistances under 50 ohms. Tried that against the temperature limiter and nothing, so that confirms it.

I have ordered a replacement off UK Whitegoods shop (cheaper than espares and Bosch themselves) and we’ll see if that is the only thing that is knackered.

Many thanks for the advice!

[ProgRob]

I knew I was right to ask here before trying that test! So thanks.

My meter goes down to measure in 0-200 Ohms (to one decimal place, I think). Would this be sufficient to measure the resistance?

[ProgRob]

I have read elsewhere that I can test whether the temperature limiter is the problem by simply bypassing it. I guess (with power off) complete the circuit avoiding that component. Power on. if the oven heats up it is the temperature limiter. If not, it is something else (and could be the temperature limiter, as well).

Thoughts, anyone, please?

[ProgRob]

Rereading the earlier comments in this thread I see that Penguin45 said that “Temperature limiter should read virtually zero ohms as it is normally closed circuit.
“

Does this mean that I would get absolutely no reading across its terminals or just a very high resistance?

Thanks

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

Thanks for the advice so far. With the power switched off I have used the multimeter to check for a current on various components and traced the circuit as follows:

1. The switch-selector and temperature regulator are plugged in together, almost as one unit. By tracing the circuit back I could identify where the live that leads to the element comes out. I put a multimeter over between the live and what appears to be a neutral terminal (from the colour coding on the wire) and turned the knob. Switching on showed current could flow from over between the live and the neutral terminals. Also the resistance changed as the temperature was varied – so looks OK.

2. Between the live terminal on the temperature regulator and the temperature limiter and current flowed, so the wire between them looks OK.

3. Between the terminals of the temperature limiter – nothing. This looks like it might be the problem as no current flowed. Is this a safety element in the circuit which is designed to blow to stop overheating?

4. The short wire between the limiter and the oven element looks OK and the multimeter agrees

5. Putting the meter between the terminals on the new element shows that is OK.

After that it looks like the neutral all the way and no further components.

When power is back on again, the fan itself will start by switching on the oven, so probably nothing wrong there either.

So, am I right in thinking that no current between its terminals means that the temperature limiter is kaput and is the most likely culprit? Is this the correct way of testing the temperature limiter?

I did also notice that there appeared to be some blackening just above the temperature limiter, but I have not unscrewed it yet to look closer. Also, the temperature limiter is in the right position for the flash I saw when I switched everything on originally.

Any help to confirm (or not) my diagnosis would be appreciated!

Cheers,
Rob

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

OK – have taken the back off the oven. There are various burn marks over the back of the oven and on the panel that was removed. Where the panel was removed the burn mark is where the heater element parts go through the back of the oven.

There appears nothing burnt out.

By following the wires through I can see why you might think it is the switch selector, but that looks fine.

So, any way I can test the switch selector?

Is there anything else it could be?

By the way I have photos if that would help answer this but I have no idea how to post them.

Thanks,
Rob

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

Well finally the Missus got fed up with using only the top oven and so has let me start to take it all apart. I pulled the oven out a little and found I could get to the small housing on top quite easily. The selector switches look absolutely fine.

I am now, when I can get my son to help, about to pull the whole oven out to have a look behind. The reason is that when it went bang originally there was a flash in the top right (when looking inside the main oven) at the back (behind the back plate). Therefore I think it is something there that is fried. Any thoughts, please?

Thanks,
Rob

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

Thanks so much – you guys are brilliant. Found the part on the diagram. Now just to persuade the Missus that I should attempt dismantling the oven before Xmas. Otherwise a New Year job.

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

Many thanks for the tip.

I’ve had a look on the Bosch exploded parts diagrams and cannot see the selector switch. I notice there is a part called ‘switch-selector’ but I cannot find it on the diagrams.

Where am I likely to find the part when I take the oven apart? Will I recognise that it has blown?

Thanks so much for your help,

Rob

[ProgRob]

Re: Bosch built-in oven – what have I done wrong?

Thanks for the advice but I would still like to see what I can do. I do, contrary to my actions, know what I am doing! My problem was having done it before so easily that I forgot the basics of checking very carefully what I was doing. The old story of check and double check.

Having looked at the diagrams of the cooker on the Bosch website it looks to me most likely that the temperature limiter has blown. There was a flash of light when I heard the bang and it was in the position of the limiter. This would explain why there is some current but not much. Also, it must be something simple gone as everything else is working including the fan for the main oven, the whole of the top oven and the clock etc.

My question is therefore how do I best get access to the rear of the main oven (behind the plate on which the fan sits) – is it best done by removing the whole cooker and removing a back plate?

My assumption is I will see a blown part, but if not, is there any way of testing the limiter?

[ProgRob]

Re: Bosch SGS4302 – not heating up and stuck on 1 minute

Just to let you know that I have fitted the part and all appears to be back to normal 😀

For anyone thinking of replacing the heater on a Bosch like this, it took me about 2.5 hrs and this is the first time I have done it.

Many thanks to everyone for the advice.

Cheers,
Rob

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