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Error code reference

Bosch Refrigerator Error Code F23

The set required temperature in the cool-fresh compartment has not been reached for 24 hours.

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What the F23 error code actually means

Your Bosch refrigerator is telling you that one specific compartment, designed to keep food just above freezing, has not been able to get cold enough for the past 24 hours. This usually means something is blocking the cold air from getting into that section, such as a frozen duct, a stuck flap, or a fan that is not working properly. Food stored in that compartment may not be at a safe temperature, so it is worth checking its contents until the issue is resolved.

Diagnostic procedure

The full F23 procedure

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1
First diagnostic step
Check that the panel is situated on the base of the ice maker, check air ducts for freezing, check air flap, and check cool-fresh compartment fan.
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Most common causes of F23

Ranked by how often they cause this code
  1. 1Frozen or blocked air ducts
  2. 2Faulty or stuck air flap
  3. 3Cool-fresh compartment fan failure
  4. 4Ice maker panel not properly seated
  5. 5Door seal or compartment gasket failure

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Questions people ask about F23

What does F23 mean on a Bosch refrigerator?
F23 means the cool-fresh compartment has not reached its set target temperature within a 24-hour period. The refrigerator's control system continuously monitors that compartment and triggers this code when the temperature gap persists for a full day. The most common causes are blocked air ducts, a malfunctioning air flap, or a failed compartment fan. Checking airflow components is the recommended first step in diagnosing this error.
Is F23 on a Bosch refrigerator a safety concern?
Yes, it can be. The cool-fresh compartment is intended to store perishable foods at a precisely controlled temperature just above freezing. If the compartment has been failing to reach the correct temperature for 24 hours or more, food stored inside may have been exposed to unsafe temperatures. Check the contents of the compartment and discard anything that may have been improperly stored during that period.
Will resetting my Bosch refrigerator clear the F23 error code?
A reset may temporarily clear the F23 display, but the code will return if the underlying problem has not been corrected. Because the code is triggered after 24 hours of sustained temperature failure, simply power-cycling the unit does not resolve the airflow or component issue causing the fault. Address the root cause first, then confirm the compartment is holding its target temperature before considering the repair complete.
Can I fix F23 on my Bosch refrigerator myself?
Some causes of F23 are DIY-friendly. You can check whether the ice maker panel is properly seated, inspect the air ducts for ice buildup and perform a manual defrost if needed, and visually confirm that the air flap moves freely. If the compartment fan or air flap requires replacement, those repairs are more involved and may require disassembly of interior panels, which some experienced DIYers can handle but others may prefer to leave to a technician.
How much does it cost to repair a Bosch refrigerator showing F23?
Repair costs depend heavily on the root cause. If the fix involves clearing a frozen duct or reseating a panel, there may be no parts cost at all, though a service call fee can range from around $75 to $150. If a fan motor or air flap assembly needs replacement, parts and labor combined typically range from $150 to $400 depending on your location and the specific components involved.

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