BOSCH WFP 3300 FAULT CODE F05

[polarair]

I have recently had the a fault code F05 come up on my Bosch WFP 3300 washer can any one help.

[gegsy]

Re: BOSCH WFP 3300 FAULT CODE F05

Hi
Its a motor problem.
Try checking motor plug and brushes.

Greg

[superfix]

Re: BOSCH WFP 3300 FAULT CODE F05

Try checking motor plug

By all means.

and brushes.

May take awhile that one, brushless motor on WFP 😉

It may be expensive to replace the motor, if it’s not just a bad connection.

Power off first :plug:

[gegsy]

Re: BOSCH WFP 3300 FAULT CODE F05

Both models of WFP have brushes 😯 part number 496875

Greg

[polarair]

Re: BOSCH WFP 3300 FAULT CODE F05

Thanks guys.

I removed the motor and found that one of the brushes had worn down to minimum, the other was almost as new.

I have managed to gain an extra eighth of an inch of brush to clear the backlog of washing while I get new brushes. The machine has been used every day since 2000 (family of four) so I am impressed with the relaibitly. The wife is disapointed as she thought she would get a new machine. 😥

Thanks again 😉

[gegsy]

Re: BOSCH WFP 3300 FAULT CODE F05

Hi polarair
You can order brushes from link on my signature.

Power off of course when working on appliance :zap:

Greg

[superfix]

Re: BOSCH WFP 3300 FAULT CODE F05

😕

Have I gone mad ❓

[Toothbrushes]

Re: BOSCH WFP 3300 FAULT CODE F05

I’ve got the same error.

I pulled the motor apart and have noticed that the one brush has almost had it. I tweaked the spring to get a bit more life out of it and cleaned up the commutator. I had expected the motor to work for at least a few seconds but nothing.

Then I checked the resistance of the coils (nearly 3 Ohms) and continuity through the brushes. I then checked the resistance from the far end of the wiring loom and still had 3 Ohms. This to me indicates that the wiring, connectors and brushes are all probably OK but it still doesn’t work.

Any ideas? Is just under 3 Ohms a good reading?

[iadom]

Re: BOSCH WFP 3300 FAULT CODE F05

‘Tweaking’ brushes to get a liitle more out of them is one sure fire way of damaging expensive electronic components, for the sake of waiting a day or so and the cost of new brushes it is a definate No, No.

[Toothbrushes]

Re: BOSCH WFP 3300 FAULT CODE F05

I didn’t want to wait for brushes while the fault lay elsewhere. The spring tweaking was very mild (<0.5mm) and was just a way of checking if it was the brushes at fault. I might not be an expert but I know enough to not trash the motor. I wish I had checked the resistance before and after.
As the fault didn’t change I suspect that another part is at fault but which one? I don’t know what resistance the coils should have but 3 Ohms is not open circuit and is probably too high for a short. A short would also probably smell and trip a breaker.

[gegsy]

Re: BOSCH WFP 3300 FAULT CODE F05

Its not just the “making do” stretching the spring, eventually you will; if not already wear brush down so far that the metal fly lead part in the core will be protruding. It is this in contact with motor com that iadom means will cause motor and/or electronic failure.
Up to you but it means tens of pounds (at the moment) or hundreds of pounds damage (If you insist on using). Your choice, I know what I would do 😉

Greg

[Toothbrushes]

Re: BOSCH WFP 3300 FAULT CODE F05

The spring tweaking was never intended to be a repair. It was just a way of proving if the brushes were the cause of the F05 code and it looks as though they were not as I have proved good connectivity with the commutator.
Any idea of what the fault could be? Is it possible that even with a good connection the brushes are the cause?

If I get the fault fixed I intend to replace the brushes at the same time.

The tweak consisted of very slightly straightening the end of the spring where it pushes on the heavily worn brush. If you were to compare the tweaked & untweaked springs I doubt that you could spot the difference unless it was pointed out. It is <0.5mm which should be enough to turn the motor briefly but not enough to cause harm.

[gegsy]

Re: BOSCH WFP 3300 FAULT CODE F05

These are top machines and very rarely have motor or electronics fault. I would get the brushes module and go from there personally.

Greg

[Toothbrushes]

Re: BOSCH WFP 3300 FAULT CODE F05

OK I’m going to try new brushes.

The brushes are marked 1200.
The motor has the following numbers on it in various places:
151.60003.26
137.01.61/II
M1
129.19.193
135 15A

Part BS12102 looks similar and has WFP3300GB/01 listed against it. Is this the part I need? I’m a bit worried as the part number doesn’t match.
http://www.ukwhitegoods.co.uk/modules.p … cts_id=422

[gegsy]

Re: BOSCH WFP 3300 FAULT CODE F05

The part number I supplied is correct for BSH. Im sure if its listed in our store it is correct. I will let Dave Conway answer your query further as he is more qualified to do so.

Greg

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