ERROR CODEF373Diagnostic reference

Miele · Washing machines

Miele washer F373 code: leak at a loose drain filter

THE SHORT ANSWER

Leak at a loose drain filter

Miele washer F373 identifies leakage around the drain filter when the filter has not been tightened.

First safe check

Check whether the drain filter was recently cleaned and refitted.

Applies to

Miele washers and washer-dryers covered by the cited support guidance. Follow your model's manual.

Before you start

Keep the cabinet closed. Never bypass the lock. Avoid electrical connections if water or damage makes access unsafe.

Go to safe checks

WORK THROUGH THE BASICS

Safe troubleshooting checks

0 of 2 checked

Use the checkboxes to keep track as you read. Stop at any warning or step that does not match your appliance.

  1. When access is dry and safe, tighten the drain filter as the model instructions describe. Do not remove it from a water-filled, hot machine.

    What to note

    The filter is properly seated and tight.

  2. If the filter cannot seal correctly or leakage continues, stop and ask Miele for service.

    What to note

    No new water escapes around the filter.

THE DETAILS MATTER

Scope & troubleshooting notes

Code context

This warning points to the filter area. Inspecting its seating is more relevant than immediately treating it as a general electronic failure.

YOUR NEXT DECISION

When to stop and get help

Contact Miele if the fault persists. Stop for leakage, burning smells or repeated breaker trips.

Record what you see

Keep the full model number, exact displayed code, and your observations together for the next conversation.

Use the right support

Contact the manufacturer or a qualified appliance technician when the guide calls for service.

Miele support

THE EVIDENCE

Sources & verification

Our explanations are editorial summaries of the documentation below. They do not replace the instructions for your exact appliance.

  1. Washer fault F373

    Miele USA · Manufacturer support · Checked

    Fault meaning and recommended response — Miele washing machines and washer-dryers covered by the cited Miele USA fault guidance. Confirm the exact model before following model-dependent instructions.

ErrHive is an independent information resource, not an authorized representative of Miele. Follow your appliance’s manual. Hazardous repairs belong with qualified professionals. Read our safety policy.