M
f13
Moderate
Miele · Dishwashers
Water intake / heater pressure switch fault
Quick Answer
Error code F13 on your Miele Dishwashers means: Water intake / heater pressure switch fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Heater pressure switch has malfunctioned
  2. Water supply pressure is too low
  3. Intake valve filter is blocked
  4. Water inlet valve is faulty
How to Fix It
1
Follow the same steps as for F12 (check stopcock, clean inlet filter, check hose).
2
Additionally, check the intake valve filter for blockages and clean it.
3
Check the pressure switch for proper operation.
4
If the error persists, the pressure switch may need testing and replacement by a technician.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Heater pressure switch
Water inlet valve
Related Error Codes
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