f20
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Miele · Washing Machines
Heating fault
Quick Answer
Error code F20 on your Miele Washing Machines means: Heating fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the machine and unplug from power.
2
Restart the machine and run a hot wash cycle to confirm the error.
3
This fault requires a technician to test the heating element with a multimeter.
4
Replace the heating element or control board as diagnosed.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Heating element
NTC sensor
Control board (if relay is faulty)
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