Calibration Fault – Sensor Covered by Light-Colored Item
The F3 error code on your Miele Cooktop indicates calibration problem – sensor covered by light-colored item. This is a Low severity issue. The cooktop optical sensor is detecting that a light-colored or reflective item is covering or near the sensor area, interfering with calibration. Light-colored surfaces (white cloths, aluminum foil, light-colored cutting boards) reflect […]
~95%
DIY Fixable
$0 (self-fix)
Typical Repair Cost
1–2 min
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Yes. Remove the reflective item and the cooktop works normally.
Can I reset the code?
Yes. Yes — remove the item and restart.
When to stop immediately?
Stop if you notice: F3 appears with nothing on the control area, Touch panel permanently unresponsive.
Symptoms You May Notice
"F3" on the display
Appears when a light-colored item is near the controls.
Controls stop responding
Touch panel becomes unresponsive until the item is removed.
Possible Causes
White or reflective item on controls
A white plate, cutting board, aluminum foil, or pale towel is reflecting light into the sensor.
DIY PossibleReflective cookware near controls
A shiny pot lid placed near the touch panel area.
DIY PossibleSafe Checks You Can Do
-
1
Remove the item
Clear any light-colored or reflective objects from the control panel area.
The control area may extend further than you think — clear the full front edge.
-
2
Restart the cooktop
Turn off and on again. The sensor recalibrates on startup.
F3 should not reappear once the item is removed.
When to Call a Professional
Contact a qualified Miele technician if:
- Error persists with control area completely clear
- Sensor module failure suspected
Need Professional Help?
Find qualified Miele technicians in your area for proper diagnostics and repair.
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