Miele · Washing machine

Miele Washing machine F138 error

ErrorF138

F138 is identified by Miele's official manual as water protection system activated. Follow the exact model-scoped checks and safety boundary below.

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

Open official source ↗
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Stop and make safe

water protection system activated

Isolate the appliance when safe. Close the water tap immediately and contact Miele Customer Service; do not restart the appliance until the water-protection cause has been assessed. Do not open fixed panels or test live circuits.

Typical symptoms

01F138 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.

01water protection system activated
02Confirm the exact model against Miele's official instructions

Safe next steps

  1. 1
    Record the complete F138 display and the full Miele washing machine model
  2. 2
    Confirm that the displayed code matches the linked official Miele source
  3. 3
    Close the water tap immediately and contact Miele Customer Service; do not restart the appliance until the water-protection cause has been assessed.
  4. 4
    Stop and arrange model-specific service if F138 returns

Step-by-step repair

  1. 1
    Close the water tap immediately and contact Miele Customer Service; do not restart the appliance until the water-protection cause has been assessed. No internal component replacement is verified from F138 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 F138 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 F138.

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 F138 mean?

Miele identifies it as water protection system activated.

Can I replace a part from the code alone?

No. Confirm the exact model and manufacturer diagnosis first.

Related faults

Compare related codes for the same appliance or manufacturer before replacing parts.