Which part is usually at fault for Frigidaire error SB?

The most commonly implicated component is the door lock.

What is the first thing to try for Frigidaire error SB?

The Sabbath Mode is a feature that disables portions of the refrigerator and its controls in accordance with observance of the weekly Sabbath and religious holidays within the Orthodox Jewish community. NOTE: In the Sabbath Mode, the High Temp alarm is active for health reasons. For example, if the door is left ajar the High Temp alarm is activated. The refrigerator will function normally once the door is closed, without any violation of the Sabbath/Holidays. The High Temp alarm is permitted when cabinet temperature is outside the safe zone for 20 minutes. The alarm silences itself after 10 minutes while the High Temp icon stays lit until the Sabbath mode is exited. Sabbath Mode is turned ON and OFF by simultaneously pressing and holding both the “−” and “Temp F-C” for five seconds. The display shows “Sb” while in Sabbath mode. NOTE: While in Sabbath Mode, neither the lights, dispenser, nor the control panel will work until Sabbath Mode is deactivated. Refrigerator stays in Sabbath Mode after power failure recovery. It must be deactivated with the buttons on the control panel.

Error SB Degraded US market

Frigidaire Refrigerator Error Code SB

SB on a Frigidaire refrigerator usually means: Sabbath Mode. On a Frigidaire Refrigerator, code SB points to the door lock.

Fix it fast: Manufacturer troubleshooting steps. Full ranked steps below.

Likely part: door lock
Fault type: mechanical

Manufacturer source Updated Oct 17, 2026 View source

How to fix SB — ranked steps

Try these in order. Stop when the code clears.

1 Manufacturer troubleshooting steps
DIY
- The Sabbath Mode is a feature that disables portions of the refrigerator and its controls in accordance with observance of the weekly Sabbath and religious holidays within the Orthodox Jewish community.
- NOTE: In the Sabbath Mode, the High Temp alarm is active for health reasons. For example, if the door is left ajar the High Temp alarm is activated. The refrigerator will function normally once the door is closed, without any violation of the Sabbath/Holidays. The High Temp alarm is permitted when cabinet temperature is outside the safe zone for 20 minutes. The alarm silences itself after 10 minutes while the High Temp icon stays lit until the Sabbath mode is exited.
- Sabbath Mode is turned ON and OFF by simultaneously pressing and holding both the “−” and “Temp F-C” for five seconds. The display shows “Sb” while in Sabbath mode.
- NOTE: While in Sabbath Mode, neither the lights, dispenser, nor the control panel will work until Sabbath Mode is deactivated. Refrigerator stays in Sabbath Mode after power failure recovery. It must be deactivated with the buttons on the control panel.
Source