This video involves as below.
- This is a special function to help clean the inside of the appliance by soaking, washing, rinsing and spinning.
Clean the Tub once a month (or more often if needed) to reduce the build-up of detergent and softener
and other residues.
How to clean the inside of washing machine Tub
The inside of the drum is not cleaned properly.
Musty or mildewy odour in appliance