Hotpoint noise from drum

If the knock happens at the same point on every turn, that usually points to something catching or damaged on the drum/tub assembly rather than suspension or cabinet movement.

1. Isolate the washing machine from the mains first. Then rotate the drum slowly by hand from inside the drum and listen/feel for the exact point the knock happens.

2. Check for a foreign object between the inner drum and outer tub. A bra wire, coin, screw or small hard item can suddenly cause a regular knock once per revolution. Look carefully through the drum holes with a torch. Also check around the door seal and inside the sump hose if accessible.

3. Inspect the drum paddles/lifters. A loose or cracked paddle can knock under load but seem less obvious empty. Make sure none are lifting or moving.

4. Check for drum play. Lift the stainless inner drum up and down at the front. If there is noticeable movement or a rumbling/grating noise when spun, the drum bearings or spider support could be failing. A broken spider can also cause a knock at one point in rotation.

5. If it only happens with washing in the machine, check the heater area/outer tub for an item striking as the drum flexes under load. Some objects only catch when the drum drops slightly with laundry weight.

6. If you can remove the heater or access hose safely, that can sometimes allow retrieval of trapped objects. If not, don’t force anything.

Most likely causes are a trapped foreign object, damaged drum paddle, or less commonly bearing/spider trouble. If internal strip-down is needed, or for any mains-related work, it’s best handled by a qualified appliance engineer.

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