We have Fuzzy logic and the smell s unbearable. We

The smell is residual soap and grease left behind in the machine because the wash temperature used is not high enough to kill it off also the detergent has been sanitized to a point where it also dislodges the grease but does not fully emulsify it

Go and buy one or two large boxes of common washing soda mix them in a bucket of very hot water.

Pour this mix into the tub before you start the machine , fill the machine using a high level very hot program and do a wash without any clothes in the machine.

You may have to do this twice.

Change your soap powder to one of the older type brands which contains bleach and soda (Daz, Omo ??).

When the machine has finished its work leave the lid open for an hour or so to allow air circulation to dry out the drum inside