The short answer
Start with the spin basket loaded unevenly: on a Commercial Care twin-tub washer it accounts for more of these than anything else, and a machine that is not standing level is the next thing to rule out. These twin tubs get used the way a laundromat machine does - back-to-back loads, heavy fabrics, and long spells of continuous running that the small motors in them were not designed around. Two of the four are owner work; the last one on the list is not, and knowing which is which saves the call-out.
What you observe
- A knock as the drum starts to turn — Something shifting before the load settles.
- A scraping sound from the base — Something under the tub or in the pump path.
- NEAR MISS - a noise and then the cycle stops — Then the machine has protected itself and the cycle page is the one to read.
Causes, most likely first on this brand
- The spin basket loaded unevenly — The likeliest cause on this brand: the basket is small and turns fast, and a load packed to one side of it produces a violent knock that stops the instant you redistribute it.
- A machine standing unevenly — Next most likely: portables live on castors and on floors that are rarely flat, so a machine that rocks a millimetre at rest hammers the moment the spin gets up to speed.
- A load that has gone to one side — Third on the list: a small tub turns everything into an imbalance problem: one towel or a wound-up sheet on one side of a light machine will walk it across a floor and bang against the cabinet on every rotation.
- A drum or motor bearing — Least likely, and the only one that is not your work: it is last because it is the only cause here that is a real repair, and because it announces itself differently - a rumble or a whine that rises with the spin speed and never changes when you redistribute the load.
Check in this order, and why
- Open the spin lid and even out the load in the basket — A small basket at speed is unforgiving of a load packed to one side.
- Rock the machine at each corner — Second because it is nearly as common and equally free.
- Stop the machine and redistribute the load by hand — The likeliest cause by a wide margin, and it is confirmed or cleared in a minute.
What an owner can safely check
- Stop it, open the lid and spread the load by hand — If the noise goes, you have found it - and you have found it in a minute.
About 10 min
- Rock each corner and adjust the feet until it sits solid — A machine that rocks at rest hammers at speed.
Tools: spirit levelAbout 20 min
- Run it with a light, even load and listen — It separates the machine's own noise from what you put in it.
About 30 min
- STOP HERE if the noise is grinding, metallic or rises with the spin — That is a bearing or something loose inside. Stop using it rather than finding out what it is at speed.
Before you open anything
Safety
Unplug the machine before tipping it, opening any panel or reaching into the spin basket. A twin tub puts mains voltage beside standing water and a capacitor can hold a charge after the power is off. Never reach into a spin basket that is still turning and never hold the spin lid interlock closed to watch it run - a basket at speed does not stop because your hand is in it.
When to call a technician
Call when the basket is loaded evenly, the machine stands solid and a mechanical noise remains - and stop using the spin side if anything is scraping inside it. On a machine used this hard, a bearing noise is the end of its working life rather than a repair worth making.
Nearest pages of this class
What this page does not cover
This page covers twin-tub washers as a class rather than one model line. Basket sizes, mount designs and duty ratings differ by family, and where a family- or model-specific page exists for your unit it is linked below. Not here: duty ratings, spin speeds and part identifiers.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.