Siemens Xlm 1600 Knocking Noise
I have a Siemens XLM 1600 washing machine, about 5 years old but used sparingly. As the machine starts to spin there is a loud knocking noise from the left side of the machine, this disappears as the spin speed picks up. The technician who looked at the machine couldn't work out what it is, it isn't the bearings, but the noise can be recreasted by pushing the drum down towards the left (power off, of course). It might be the suspension leg but I open for suggestions.
Solution Summary
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This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Siemens XLM 1600 knocks from left side as spin starts
- The problem
- A Siemens XLM 1600 washing machine made a loud knocking noise from the left side as the drum began to spin. The noise disappeared once spin speed increased. With the power off, the noise could be reproduced by pushing the drum down towards the left. A technician had already ruled out the bearings but did not identify the fault.
- Likely cause
- The strongest suggestions in the discussion were a suspension fault or a loose tub weight. Other possible causes mentioned were loose welding on the casing or loose rivets. The exact cause was not confirmed.
- What fixed it
- No confirmed repair was documented. The accepted reply pointed towards checking the suspension and tub weight, with casing welds or rivets also suggested if those were sound. Further diagnosis should be carried out by a suitably qualified appliance engineer.
- Checks to try
- Bearings were reportedly checked by a technician and said not to be the cause
- Noise could be recreated with the power off by pushing the drum down towards the left
- Knocking occurred as spin started and disappeared as speed increased
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
1 Answer
Sounds like suspension, or a loose tub weight. All possibilities I can think of are covered on my troubleshooting guide - washing machine is noisy
The only puzzling thing is if a "technician" couldn't find the problem maybe it's not either? I wouldn't expect an engineer to be unable to find the cause. In the past I've had welding on the casing or rivets coming loose causing similar issues.
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