Neff w5320x0gb
Afternoon all.
Have a neff washing machine that has been playing up lately. On Christmas Eve it stopped spinning, washing and all we got was a hum. Checked the drivebelt and brushes and decided brushes needed to be changed. After installing new brushes all worked fine for a few days but for some reason isn't spinning now. Washing cycle is fine but for some reason doesn't want to spin on some cycles. The washer drains fine also.
Anyone any ideas as it's quite old I believe and don't want to keep throwing money at it.
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.
Neff W5320X0GB intermittently not spinning after brush replacement
- The problem
- An older Neff W5320X0GB washing machine stopped spinning. Initially it would hum and not wash or spin. The drive belt and motor brushes were checked and the brushes were replaced, after which it worked for a few days. The fault then returned intermittently: wash cycle and draining were reported as normal, but the machine would not spin on some cycles.
- Likely cause
- The strongest diagnosis in the discussion is an intermittent motor-related connection problem around the carbon brushes or motor plug/connections. The accepted reply states humming is not usually caused by worn brushes; if the brushes are not making good contact, or if there is a poor connection at the motor, the motor may fail to run properly. Motor windings, armature or PCB were also suggested as possible causes if connections and brush contact were sound. The pump noise was considered likely to be normal pump operation rather than the cause, because draining was reported as fine.
- What fixed it
- The recommended action was to re-check the new brushes for correct contact, look for charring, inspect the motor connections and pins, and confirm the drive belt was not loose or slipping. The original poster removed the motor and adjusted the brushes again, after which it started working again. No longer-term repair beyond that was confirmed.
- Checks to try
- Drive belt checked
- Motor brushes checked
- Brushes replaced
- Motor removed and brushes adjusted again
- Draining confirmed normal
- Advised to inspect brush contact surfaces for smooth contact or charring
- Advised to check motor connections and plug pins
- Advised to confirm the belt was not loose or slipping
- Parts or tools mentioned
- Carbon brushes
- Drive belt
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
3 Answers
Hello Chris. Humming isn't usually associated with worn carbon brushes. If brushes are worn they either stop making a connection, or they make a very poor connection. In the fist scenario the motor is totally dead, and in the second the motor will turn but erratically, or it will be lethargic and uneven and they is usually a crackling or grating noise caused by sparking between the brush and the commutator.
A humming noise is usually more associated with an induction motor (that has no brushes) or with an electrical fault causing the motor to not receive anywhere near enough power to run but just enough to make it try. Having said that I would check the brushes again, are they smooth where they contact the commutator or is there any charring indicating poor contact? Also check all the connections and pins in the motor and motor plug. If nothing is found it could be a fault on the windings on the motr, or the armature or the pcb.
Also double check that the drive belt isn't loose and the motor isn't slipping inside the belt.
Need Professional Help or Spare Parts?
Thanks for the reply. Completely stopped doing anything and just got a humming sound from the pump. Took the motor out, fiddled with the brushes again and started working again. The washing machine seems to drain fine but does make a humming sound when spinning from the pump. Don't think the pump is the issue as I would have thought it wouldn't drain properly?
Right. The humming may just be the sound of the pump running, which appears louder if the motor and drum have stopped turning.
Need Professional Help or Spare Parts?
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