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Error code reference

Liebherr Refrigerator Error Code F7

Ambient air sensor defective (only displayed in service menu); unit assumes +25°C ambient temperature as fallback.

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What the F7 error code actually means

Your Liebherr refrigerator has detected a problem with the sensor that monitors the temperature of the room it is sitting in. The fridge will keep running normally for now by assuming the room is a standard comfortable temperature, but the issue needs to be addressed. A technician will need to replace an internal circuit board to fix it, since the sensor is built into that board.

Diagnostic procedure

The full F7 procedure

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1
First diagnostic step
Replace the power electronics board (sensor is integrated on the board).
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Most common causes of F7

Ranked by how often they cause this code
  1. 1Failed ambient sensor on the power electronics board
  2. 2Thermal damage to the power electronics board
  3. 3Corrosion or moisture intrusion on the board
  4. 4Manufacturing defect or aged board components

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Questions people ask about F7

What does F7 mean on a Liebherr refrigerator?
F7 indicates that the ambient air sensor is defective. This sensor is integrated onto the power electronics board and monitors the room temperature around the refrigerator. The code only appears in the service menu, not on the standard user display. When active, the refrigerator assumes a fallback ambient temperature of +25 degrees Celsius and continues operating.
Is my refrigerator safe to use while showing the F7 error?
Yes, the refrigerator continues to operate when F7 is active. The control system switches to a fixed assumed ambient temperature of +25 degrees Celsius as a fallback. However, if your actual room temperature is significantly higher or lower than that, the unit may not perform at peak efficiency, so scheduling a repair in a reasonable timeframe is advisable.
Will resetting my Liebherr refrigerator clear the F7 error?
A reset will not permanently clear the F7 error if the underlying sensor failure on the power electronics board is still present. The code will return when the control system runs its diagnostics again. The fault can only be resolved by replacing the power electronics board, after which the error should no longer reappear.
Can I fix the F7 error myself on a Liebherr refrigerator?
The fix requires replacing the power electronics board, since the ambient sensor is built into it and cannot be swapped out independently. This involves working with the internal electrical components of the refrigerator. Most homeowners should have a qualified appliance technician handle this repair to avoid damage to the unit or personal injury.
How much does it cost to repair a Liebherr F7 error?
The cost depends on the price of the replacement power electronics board and the labor rate in your area. Board replacements on premium refrigerator brands typically range from a few hundred dollars to over five hundred dollars in total, including parts and labor. Getting a quote from a Liebherr-authorized service provider before proceeding is recommended.

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