It affects Hotpoint, Indesit, Swan, Proline Ariston, or Creda tumble dryers manufactured between April 2004 and September 2015.
It's feared these machines can catch fire caused by fluff coming into contact with heating elements.
Whirpool have published a Full List of affected appliances.
If you have one of those appliances, the advice is to stop using it immediately.
You can check your model number on the back of the machine
A spokesperson for he company said:
"Consumers can arrange for one of Whirlpool engineers to visit their home to modify their appliance free of charge.
The service call will take approximately one hour. Whirlpool assures consumers that they can receive a resolution within one week of contacting them."