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Error code reference

Thermador Oven Error Code SAb

Sabbath mode is active; oven is operating in Sabbath mode with most pads inactive.

Thermador codesThermador oven codes

Sabbath mode is active; oven is operating in Sabbath mode with most pads inactive.

First step from the service manual

Turn off the oven selected by touching OFF (single oven model) or UPPER OFF or LOWER OFF (double oven models).

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What SAb means on a Thermador oven

SAb is not a fault or error code in the traditional sense. It is a status indicator that appears on Thermador oven displays to notify the user that Sabbath mode is currently active. Sabbath mode is a programmed operating state designed to comply with religious observance requirements, specifically the restrictions associated with the Jewish Sabbath and certain holidays. When this mode is engaged, the oven maintains a set temperature continuously without requiring user interaction, and the control panel is intentionally limited: most touch pads are disabled to prevent accidental activation or deactivation of functions.

In Sabbath mode, the oven's control board suppresses the majority of its normal input responses. The display shows SAb to confirm this state is running. The oven will continue to heat to its programmed temperature, but features such as timers, broil, convection, and other specialty functions are locked out. This is by design and does not indicate any component failure or wiring issue. The control system is functioning exactly as intended when SAb is displayed.

To exit Sabbath mode and return the oven to normal operation, the user must press the OFF pad on a single oven model, or UPPER OFF or LOWER OFF on a double oven model, depending on which cavity is in Sabbath mode. Once deactivated, all control pad functions are restored and the display returns to its standard standby state. No parts replacement or service intervention is needed in a typical SAb scenario.

Source: manufacturer service documentation.

Common causes of SAb

  1. 01

    Sabbath mode intentionally activated

    Wiring / connection

    The most common reason SAb appears is that a household member deliberately enabled Sabbath mode through the control panel. This is the expected behavior and requires no repair.

  2. 02

    Accidental activation through button sequence

    Wiring / connection

    On Thermador ovens, Sabbath mode can sometimes be triggered unintentionally if the correct button combination is pressed during normal use. Reviewing the control panel sequence for enabling and disabling this mode will confirm if this occurred.

  3. 03

    Mode not properly exited after previous use

    Wiring / connection

    If Sabbath mode was used previously and the OFF pad was not pressed to fully exit it, the oven may revert to or remain in SAb state. Pressing OFF, UPPER OFF, or LOWER OFF as appropriate will clear it.

  4. 04

    Control board retaining mode state after power interruption

    Wiring / connection

    In rare cases, a brief power interruption while Sabbath mode was active may cause the control board to resume the mode when power is restored. Pressing the appropriate OFF pad should resolve this without any part replacement.

See the test procedure for each cause

Frequently asked questions about SAb

What does SAb mean on a Thermador oven?
SAb on a Thermador oven indicates that Sabbath mode is active. This is a special operating mode that keeps the oven at a continuous set temperature while disabling most of the control pad functions. It is not an error or fault code, and it does not indicate anything is wrong with the appliance. Pressing the OFF pad (or UPPER OFF or LOWER OFF on double oven models) will deactivate this mode.
How do I get my Thermador oven out of Sabbath mode?
To exit Sabbath mode, press the OFF pad if you have a single oven model. On double oven models, press UPPER OFF or LOWER OFF depending on which cavity is displaying SAb. The oven will return to its normal standby state and all control pad functions will be restored once Sabbath mode is deactivated.
Is it safe to use my oven while SAb is displayed?
Yes, the oven is operating safely and as designed when SAb is shown. Sabbath mode keeps the oven heating to its programmed temperature in a controlled way. The limitation is that most control pad inputs are inactive during this mode, so you cannot adjust settings until you exit it.
Will resetting the oven clear the SAb display?
Simply cutting power to the oven may not reliably clear Sabbath mode, and the mode could resume when power is restored. The correct way to exit SAb is to press the OFF pad on single oven models, or UPPER OFF or LOWER OFF on double oven models, using the physical control panel.
How much does it cost to fix a SAb code on a Thermador oven?
There is no repair cost associated with the SAb code because it is not a malfunction. Sabbath mode is a built-in feature, and deactivating it requires only pressing the correct pad on the control panel. If the oven fails to exit Sabbath mode after pressing OFF, a control board issue could be involved, and a service technician visit would typically cost somewhere in the range of $100 to $300 or more depending on diagnosis and parts.

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