Miele Washing Machine Error F138

⚡ Quick Answer: The Miele washing machine error F138 indicates that water has been detected in the drip tray, triggering the waterproof leak-detection system and stop... ✅ DIY Fixable

What Does Error F138 Mean?

The Miele washing machine error F138 indicates that water has been detected in the drip tray, triggering the waterproof leak-detection system and stopping operation. This often results from an internal leak, possibly from hoses or a defective door seal, and can lead to continuous drain pump operation. If this error occurs, it is crucial to address the water accumulation promptly to prevent further damage.

Common Symptoms:

  • Error F138 displayed and cycle stops
  • Water detected in drip tray/base pan beneath machine
  • Possible continuous drain pump operation
  • ‘Waterproof’ / ‘Call service’ messages in display

Possible Causes

  • Water detected in drip tray due to internal leak (high)
  • Leak from internal hoses or connections (medium)
  • Defective door seal or gasket causing leakage (medium)
  • Excessive foam or detergent overflow (medium)

How to Fix Error F138

DIY Fix Safely remove laundry and stop further leaks

  1. Close the water inlet to the washer
  2. Disconnect the washer from the power supply
  3. Ensure the drum is stationary before reaching inside
  4. Use the emergency release to open the door and remove laundry

DIY Fix Drain and clean the drip tray/base pan

  1. Unplug the washer and pull it away from the wall
  2. Access the drip tray by removing the lower front panel
  3. Carefully absorb or drain the water from the tray
  4. Dry the tray thoroughly before resetting the machine

Technician Only Inspect and repair internal leaks

  1. Inspect internal hoses, connections, and clamps for leaks
  2. Check door seal/gasket for damage and replace if needed
  3. Test float switch and leak‑detection sensors for correct operation
  4. Verify drain pump and inlet components are not leaking

Parts needed: door seal/gasket, internal hoses and connectors, float switch/leak sensor, drain pump

Technician Only Check detergent usage and internal drainage

  1. Verify correct detergent type and dosage
  2. Inspect and clean lint filter and internal drainage paths
  3. Ensure no blockages causing overflow into base pan

Parts needed: lint filter, drain hoses

🛑 When to Call a Pro:
  • If water continues to accumulate after drying the base pan
  • If internal leaks cannot be located or fixed
  • If leak‑detection sensor appears faulty or false‑trips

Technical Specifications

wattage 50W
component Water Inlet Valve
resistance 10-20 ohms
part_number Miele 6120010
voltage_rating 230V AC

Common Questions

What does F138 error mean on miele washing machine?

F138 indicates water detected in the drip tray, stopping the machine due to a leak.

Can I fix miele washing machine F138 error myself?

Yes, you can stop leaks, drain the tray, and clean it yourself.

How much does it cost to fix F138 error?

Repair costs range from $100 to $400 depending on parts and labor.

When should I call a technician for F138?

Call if water continues to accumulate or if internal leaks are undetectable.

Sources & References

Data last verified: 2026-02-11

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