F28Serious
Miele Washer F28 Error Code
The tachometer (speed sensor) on the motor is not providing feedback, causing speed control issues.
Common causes
- Faulty tachometer sensor
- Loose or broken wiring
- Motor control board fault
How to fix it
- Turn off power
- Check tachometer connector at motor
- Test tachometer resistance (typically ~200 ohms)
⚠ When to call a pro: If tachometer readings are off, replacement of motor or tachometer may be needed (pro job).
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.