Un plug your washing machine before any maintenance is carried out.
Check the filter for daubery and other articles’
remember to put a towel or something under the filter as water will spill onto the floor
Reinstall the filter and Close the machine door
Using a kettle Pour two lots of hot water into the draw of the machine.
Add four to six cups of white vinegar in to the draw.
Add additional hot water bringing the water to bottom of the rubber of the door.
Leave standing for 8 hours or over night.
Put the machine to drain position and switch on.
After the machine has darned clean out the filter again.
Put the machine onto a empty service boil wash
When the wash is finished recheck the filter
In heavy limed conditions we would repeat twice a year.