M
f99
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Miele · Dryers
General system fault
Quick Answer
Error code F99 on your Miele Dryers means: General system fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Multiple system errors detected simultaneously
  2. Control board has detected an unclassified fault
  3. Power supply irregularity
  4. Sensor communication breakdown
How to Fix It
1
Turn off the dryer and unplug from power for 10 minutes.
2
Restart and check if the error clears.
3
If the error persists, multiple components may need diagnosis.
4
Contact Miele service - this error typically requires diagnostic equipment.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Electronic control board
Various sensors (as diagnosed)
Related Error Codes
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