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Miele · Washing Machines
Water path control unit failure
Quick Answer
Error code F63 on your Miele Washing Machines means: Water path control unit failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
PWM908WCI870WPSWCR870WPSWSD163WCSWSD323WPSWWD160WCSWWH860WCSWXD160WCSWXF660WCSWXI860WCSWXR860WCSWTD163WCS
Likely Causes
  1. Water diverter valve has failed
  2. Wiring to the water path control unit is damaged
  3. Control board cannot actuate the water path system
  4. Mechanical blockage in the water path
How to Fix It
1
Turn off the machine and unplug from power.
2
Restart the machine to see if the error clears.
3
This fault requires professional diagnosis of the water path control unit.
4
The water diverter valve or control board may need replacement.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Water path control unit
Water diverter valve
Control board
Related Error Codes
F1F2F10F11F15
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