Kenmore Freezer Error Code b

The "b" code on a Kenmore freezer means the electronic control has detected a low or missing 9V backup battery. This battery supports alarm functions and helps retain settings during power interruptions. The freezer's cooling system continues to operate normally while this code is active. Replacing the 9V battery and pressing ALARM RESET will clear the code.

Yes, food safety is not directly affected by the "b" error code. This code relates only to the backup battery for the electronic control, not the primary refrigeration or cooling system. The compressor and freezing functions continue to operate normally. Address the battery replacement promptly to restore full alarm functionality in case of future power outages.

Pressing ALARM RESET will silence the audible beep, but the "b" code will continue to appear on the display as long as the battery remains low or absent. The only way to fully clear the code is to install a fresh, properly seated 9V battery in the control panel's battery compartment. Once a good battery is installed, pressing ALARM RESET will stop the beeping and clear the error.

Locate the 9V battery compartment on the electronic control panel of the freezer and install a fresh 9V battery. Once the battery is seated and making good contact with the terminals, press the ALARM RESET button to silence the audible alarm and dismiss the error code from the display. If the code returns quickly, check that the battery terminals are clean and that the replacement battery is new.

The fix typically requires only a standard 9V alkaline battery, which costs roughly $2 to $8 depending on the brand and where it is purchased. No specialized tools or service calls are needed for this repair. If a technician visit were required for another reason at the same time, labor costs would vary by region, generally ranging from $75 to $150 for a service call.