Beko WMB81241LB Drum not turning
Hi.. my first post
My Beko washing machine has developed a fault, when I put it on a cotton wash it fills with water to nearly half a drum then does nothing for a minute or so then it will pump out a small amount of water then it will do the same again over and over. When I put it on a rinse spin and drain cycle it does the same. When I end the programme the machine pumps out all the water no problem. I changed the carbon brushes on the motor but still no luck so I pulled the pcb out to check for any burnt out components, there were a number of areas showing signs of being burnt but cannot tell which part actually burnt out if at all. Please see the attached photo.
Many thanks
Wayne
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.
Beko WMB81241LB repeatedly filled then pulsed drain; fixed with new DC module
- The problem
- On wash and rinse/spin/drain programmes, the Beko WMB81241LB filled to nearly half a drum, then paused and repeatedly pumped out small amounts of water. When the programme was ended manually, it drained fully without issue. The drum was not turning.
- Likely cause
- A control fault in the DC module is the confirmed repair outcome. Early discussion also suggested a possible pressure system/overfilling fault, but this was not supported by the final result.
- What fixed it
- The pressure pipe was cleared, the pressure switch was changed, and the motor was checked, but the fault remained. The machine was then fixed by fitting a new DC module.
- Checks to try
- PCB inspected; black deposits brushed away and were not confirmed as burning
- Pressure pipe blown through to clear possible blockage
- Motor resistances checked across brushes, tacho and windings and reported OK
- Pressure switch changed
- DC module checked visually for burns; none found
- Observed that it pumped out in small bursts without topping up with more water
- Parts or tools mentioned
- Carbon brushes
- Pressure switch
- DC module
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
6 Answers
Hello there. It sounds like it is overfilling. That's usually a fault on the pressure system. If the washing machine detects that it is overfilling these days it will commonly abort the wash cycle and start to pump the water away. However I would normally expect it to pump it in one continuous goal rather than a bit at a time. Obviously a strange fault on the PCB could cause bizarre behaviour but faults are rarely visible on PCBs. Is the black surrounding the components actual burning? Or is it just like dust/soot? Can it be brushed away with a clean paintbrush? Several components inside PCBs get very hot and attract a lot of black dust which many people think is a sign of burning.
Need Professional Help or Spare Parts?
Hi Andy, thanks for the fast reply. The black dusted away and there's no sign of any burning.
I blew down the pressure pipe to clear any possible blockages
I removed and checked the motor resistances across the brushes, taco, and windings all ok. There were two blue wires either end of the motor connector not sure what they are for.
I tried changing the pressure switch.
No burns on the DC module.
When you say that it fills up with water, then pumps a little bit out over and over again, does it keep topping up with water? Or does it just keep pumping the water out in small bursts until all of the water has gone out?
Need Professional Help or Spare Parts?
It just kept pumping out in small bursts. All fixed at the moment with new DC Module.
Thanks
That's good to hear. Thanks for the update, it's very helpful.
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