Bosch Wff 147S Drum Not Turning
Hi all,
The machine works perfectly except the drum doesn't turn. Water goes in, water goes out, the programme timer turns.
I've taken the top and back off and I can hear the relay switching to turn the drum motor on but no action. There's not even any attempt to turn the drum.
The belt's Ok. The motor turns freely by hand.
Any ideas as to where to start to look?
Thanks,
Richard
Solution Summary
AI-generated from this discussion
This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Bosch Wff 147S drum not turning though wash cycle otherwise runs
- The problem
- On a Bosch Wff 147S washing machine, water fills and drains and the programme timer advances, but the drum does not turn at all. The drive belt was reported intact and the motor could be turned freely by hand.
- Likely cause
- The accepted reply says the main suspect is worn carbon brushes, if this motor is fitted with them. No confirmed repair result was posted.
- What fixed it
- Recommended starting point was to inspect the motor area for anything obvious at the motor plug and check for worn carbon brushes. The accepted advice was that an engineer would test the motor with a continuity meter, and if nothing obvious was found the machine should be referred to an engineer. The exact repair was not confirmed in the thread.
- Checks to try
- Drive belt checked and reported OK
- Motor turns freely by hand
- Relay could be heard switching for the motor
- Visual check around the motor plug was recommended
- Check for worn carbon brushes was recommended
- Motor continuity test was recommended
- Parts or tools mentioned
- Carbon brushes
- Continuity meter
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
2 Answers
If the motor is fitted with carbon brushes they will be the main suspect. The first thing an engineer would do it test the motor with a continuity meter. If you can't see anything obvious around the motor plug, or detect worn carbon brushes you would be better calling in an engineer for this fault.
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This article looks at all the possible causes of the drum not turning. Read both columns.
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