Miele · Washing machine

Miele Washing machine F373 error

ErrorF373

F373 is identified by Miele's official manual as leak detected at the drain filter. Follow the exact model-scoped checks and safety boundary below.

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Reference source listed as Miele official washing-machine operating instructions.

Open official source ↗

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What the code means

leak detected at the drain filter

Follow the exact model manual. Switch the appliance off, check that the drain filter is correctly seated and tighten it as the manual describes; contact Miele if F373 returns. Do not open fixed panels or test live circuits.

Typical symptoms

01F373 appears on the washing machine display

02The appliance may stop, pause, or limit the affected function

03The code returns when the same model-specific condition remains active

Likely causes

Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.

01leak detected at the drain filter

02Confirm the exact model against Miele's official instructions

Safe next steps

1
Record the complete F373 display and the full Miele washing machine model
2
Confirm that the displayed code matches the linked official Miele source
3
Switch the appliance off, check that the drain filter is correctly seated and tighten it as the manual describes; contact Miele if F373 returns.
4
Stop and arrange model-specific service if F373 returns

Step-by-step repair

1
Switch the appliance off, check that the drain filter is correctly seated and tighten it as the manual describes; contact Miele if F373 returns. No internal component replacement is verified from F373 alone.

Repair details

€Estimated cost
The published checks normally need no replacement part. Internal repair cost is model- and region-specific; obtain a written Miele service quote after diagnosis.

⏱Estimated time
External checks take about 5–30 minutes; professional diagnosis and repair time depend on the exact model.

🔧Tools
Exact Miele model number and official manual, No internal electrical test tool is permitted

▣Spare parts
No replacement part is confirmed by F373 alone. Confirm the exact model, failed component, and manufacturer part number before ordering.

What not to do

Do not open fixed panels, test live electrical or sealed-system parts, bypass safety devices, or order a component solely from F373.

Preventive maintenance

1
Keep the washer level, use the detergent specified by the exact model manual, and keep accessible hoses, locks, and filters clear.

Frequently asked questions

What does F373 mean?

Miele identifies it as leak detected at the drain filter.

Can I replace a part from the code alone?

No. Confirm the exact model and manufacturer diagnosis first.

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