f70
Moderate
Miele · Dishwashers
Float switch fault - water in the drip tray (flood protection)
Quick Answer
Error code F70 on your Miele Dishwashers means: Float switch fault - water in the drip tray (flood protection). 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 water supply at the stopcock immediately.
2
Disconnect the dishwasher from power.
3
Carefully tilt the dishwasher to drain water from the base tray.
4
Inspect all internal hose connections and the door seal for leaks. Call Miele service if the leak source cannot be identified.
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
Door seal
Internal hoses
Float switch (if defective)
Hose clamps
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