Display shows F19 and the unit may not maintain humidity; humidity display may be inaccurate or blank.

Safety first: Disconnect power before accessing internal sensors or removing panels.

F19 is related to the humidity sensing system in Miele wine coolers that regulate relative humidity for cork preservation.

• 1. Locate the humidity sensor:
  • Typically mounted near the air circulation path or on the interior wall.
• 2. Inspect sensor:
  • Check for visible corrosion, water droplets, or dust buildup.
  • Gently clean with a dry, lint-free cloth; do not use liquids.
• 3. Check wiring:
  • Ensure the sensor connector is firmly seated on the harness and at the control board.
• 4. Replace sensor if needed:
  • If F19 persists after cleaning and reseating, replace the humidity sensor module with the correct Miele part.
• 5. Control board diagnosis: If a new sensor does not clear F19, the humidity input circuit on the main board may be defective and requires professional replacement.