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Error code reference

Bosch Refrigerator Error Code F24

Temperature in the cool-fresh compartment was colder than -2°C for 15 minutes.

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What the F24 error code actually means

Your Bosch refrigerator detected that the cool-fresh drawer or compartment got too cold, dropping below freezing for at least 15 minutes straight. This means a small air vent that controls how much cold air enters that section may be stuck open, or a sensor in that area may have failed. Until this is fixed, food in that compartment could freeze and be damaged.

Diagnostic procedure

The full F24 procedure

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1
First diagnostic step
Check if the air flap opens; check consumption values.
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Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of F24

Ranked by how often they cause this code
  1. 1Air flap stuck open
  2. 2Faulty flap actuator motor
  3. 3Defective cool-fresh compartment temperature sensor
  4. 4Ice buildup blocking flap movement
  5. 5Wiring or control board fault

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Questions people ask about F24

What does F24 mean on a Bosch refrigerator?
F24 on a Bosch refrigerator means the cool-fresh compartment temperature fell below -2°C and stayed there for at least 15 minutes. This signals that the cooling system is over-cooling that specific zone, which is most often caused by an air flap that is stuck open or a failed flap actuator. The error is logged by the control board after the 15-minute threshold is reached and will typically trigger an alert on the display.
Is it safe to keep using my refrigerator while it shows F24?
Continuing to use the refrigerator with an active F24 code carries the risk of freezing food stored in the cool-fresh compartment, which can damage perishables. The rest of the refrigerator may continue operating normally, but the affected compartment should not be relied on for temperature-sensitive items until the fault is resolved. It is best to remove food from the cool-fresh zone until repairs are complete.
How much does it cost to repair a Bosch refrigerator F24 error?
Repair costs depend on the failed component and whether you use a professional technician. A flap actuator motor replacement typically ranges from moderate to higher parts cost, and combined with a service call, total repair bills can range from around $150 to $400 or more depending on your region and labor rates. If only a sensor or wiring repair is needed, costs may fall on the lower end of that range.
Can I fix the F24 error myself?
Some causes of F24, such as ice blocking the air flap, can be addressed by carefully defrosting the compartment area and checking for physical obstructions. However, replacing a flap actuator motor or temperature sensor requires disassembly of the compartment interior and basic electrical testing skills. If you are not comfortable measuring component resistance or working with refrigerator internals, a qualified technician is the safer option.
Will resetting the refrigerator clear the F24 error code?
A power reset may temporarily clear the F24 code from the display, but if the underlying problem such as a stuck air flap or failed actuator is still present, the error will return once the compartment drops below -2°C again for 15 minutes. A reset is useful as a first step to confirm whether the fault is persistent or intermittent, but it does not repair the root cause.

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