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F15

F15 - Drying relay fault (Indesit WIDL Washer Dryers)

Miele · Professional Troubleshooting Guide

What does F15 mean?

The relay controlling the drying heater is faulty, which can affect the drying function by not engaging or disengaging the heater properly.

Common Causes

  • Faulty drying heater relay
  • Control board issue affecting the relay
  • Electrical short or open circuit in relay wiring
  • Faulty earth connection leading to false errors

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the washer dryer's power supply.

  2. 2

    Wait for 30 seconds and then restore power.

  3. 3

    Check that the earth connection to the appliance is good and secure.

  4. 4

    Try running a drying cycle to see if the error persists.

Browse all codes in this manual (45)
Verified technical data. Last updated: April 2026

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Source: Miele Professional Troubleshooting Guide
Open Manual (Page 46)Search more codes in this manual