Miele Refrigerator Error Code F143

F143 indicates that the refrigerator compartment door was detected as open continuously for 45 minutes. This code is logged internally by the control board and is not shown on the customer display. It is a condition-based alert rather than a component failure code, and it most commonly results from a door that was left open or not fully closed.

Because F143 is an internal diagnostic log entry not shown on the display, a power reset may clear the stored flag, but the underlying condition must be corrected first. If the door switch is faulty or the door does not close properly, the control board will continue logging F143 regardless of resets.

If the fix is simply closing the door or rearranging contents, there is no cost involved. Replacing a worn door gasket typically runs in the range of $50 to $150 depending on the model and labor. A door switch replacement, if needed, generally falls in the $75 to $200 range including parts and labor, though costs vary by service region and technician rates.

Start by closing the refrigerator door completely and ensuring nothing inside the compartment is blocking it. Check the door gasket for damage and confirm the door sits flush against the cabinet frame all the way around. If the code persists after the door is confirmed closed, the door switch may need to be tested and potentially replaced.

F143 itself does not disable refrigerator operation, so the unit will continue cooling. However, if the door was genuinely open for 45 minutes, food safety guidelines recommend checking temperatures inside the compartment, as perishables may have been exposed to elevated temperatures for an extended period.