Fill a bucket with tepid water and then gradually dump it down the drain.
this may help flush the relative line and avoid bad smells from seeping back in the space for a time. Intend on filtering your drain when a thirty days to help keep sewer smells from increasing. Test thoroughly your machine and its particular plumbing work very carefully. See in the event that device feeds into a sink or directly into a drain. Then install a drain filter to catch debris that drains out with washing water.
Debris and lint into the washing water can clog your drain before long, so a drain filter can get those particles and prevent a backup hopefully of water. If flushing the drain will not fix your condition, you have got additional options.