If you're experiencing a stench of sewage from your washing machine, it could be due to a variety of reasons, such as a clogged drain pipe, a buildup of bacteria or mold, or issues with the plumbing system. Here are some methods you can try to remove the unpleasant odor:
Clean the machine: Start by cleaning the washing machine itself. Run an empty cycle on the hottest water setting with a cup of white vinegar added to the detergent dispenser. Vinegar helps eliminate odors and break down any residue or buildup. Alternatively, you can use a washing machine cleaner specifically designed to remove odors and deposits. Follow the instructions on the cleaner's packaging.
Check the drain hose: Ensure that the drain hose is properly connected and not kinked or damaged. A clogged or partially blocked drain hose can cause foul odors. Detach the hose and clean it thoroughly, removing any debris or buildup.
Clean the filter: If your washing machine has a filter, it may be harboring trapped debris or stagnant water that contributes to the smell. Consult your machine's manual for instructions on how to access and clean the filter.
Run regular hot water cycles: Periodically run hot water cycles with no clothes or detergent to help flush out any bacteria or residue that may be causing the odor. Hot water helps kill bacteria and remove buildup.
Check the plumbing system: It's also important to inspect the plumbing system connected to your washing machine. Ensure that the drain pipe is clear and not blocked. If you suspect a plumbing issue, it may be best to contact a professional plumber to diagnose and fix the problem.
Keep the door open: After each wash cycle, leave the washing machine door open to allow air circulation and prevent moisture buildup, which can contribute to odors.
Use odor absorbers: Place odor-absorbing products like baking soda, activated charcoal, or specialized washing machine deodorizers in the drum or detergent dispenser between washes to help eliminate lingering odors.
If you've tried these methods and the sewage smell persists, it is recommended to contact a professional appliance repair technician or a plumber to assess the issue and provide further assistance.