Miele Drain System Odour

Washer produces a strong sewage or stagnant water smell.

Possible Causes

Standing water in sump or pump, Dirty drain pump filter, Backflow from household drain, Biofilm in hoses

Safety first: Unplug the washer and have towels ready.

Clean pump filter: Open the lower service flap, drain residual water, and remove and clean the pump filter thoroughly.
Flush drain hose: Disconnect the drain hose from the standpipe or sink trap and flush with hot water.
Check household plumbing: Ensure the standpipe or sink trap is not blocked and has a proper water seal to prevent sewer gas.
Run hot maintenance cycle: Run an empty hot wash with machine cleaner.

Easy 2/5