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Error code reference

Gaggenau Oven Error Code E116

Connection to core temperature sensor interrupted (up to software 1.20 not displayed).

Gaggenau codesGaggenau oven codes

Connection to core temperature sensor interrupted (up to software 1.20 not displayed).

First step from the service manual

Check cable and KFT socket.

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

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What E116 means on a Gaggenau oven

E116 on a Gaggenau oven indicates that the connection to the core temperature sensor (commonly referred to as a KFT probe or meat probe) has been interrupted. This sensor is an optional accessory probe inserted into food during cooking to monitor internal temperature in real time. The oven's control board continuously polls this sensor through a dedicated socket, typically labeled the KFT socket, and when the expected signal is lost or absent, E116 is triggered. Note that on ovens running software version 1.20 or earlier, this fault code is suppressed and will not appear on the display.

The KFT socket is the physical connection point where the probe's plug seats into the oven cavity wall. The circuit between the probe, the cable, and the control board must maintain a clean, low-resistance connection for the sensor reading to register correctly. Any break in continuity along that path, whether from a damaged cable, a corroded or bent socket pin, or a faulty probe itself, will cause the control board to detect an open circuit and log E116.

Diagnosing this fault begins with a visual and physical inspection of the probe cable for cuts, kinks, or heat damage, followed by examination of the KFT socket for debris, corrosion, or deformed contacts. If the cable and socket appear intact, the probe itself should be tested for continuity. Resistance values for the probe are not specified here, so consult component-level specifications before condemning the sensor. If the socket pins are damaged, the socket assembly will require replacement.

Source: manufacturer service documentation.

Common causes of E116

  1. 01

    Damaged or disconnected probe cable

    Part replacement

    The cable running from the KFT probe to the socket can develop cuts, kinks, or heat-related damage over time. Inspect the full length of the cable for visible breaks or melted insulation.

  2. 02

    Dirty or corroded KFT socket

    Wiring / connection

    Food residue, grease, or oxidation inside the KFT socket can interrupt the electrical connection even when the probe is fully inserted. Clean the socket carefully with a dry brush and inspect the pins for corrosion.

  3. 03

    Bent or damaged socket pins

    Part replacement

    The contact pins inside the KFT socket can become bent or broken from repeated probe insertions or from objects contacting the socket during cleaning. A bent pin will prevent proper electrical contact.

  4. 04

    Faulty core temperature probe

    Part replacement

    The probe itself may have developed an internal open circuit, causing the control board to read no signal. Test the probe for continuity to determine if the sensor element has failed.

  5. 05

    Probe not fully seated in socket

    Wiring / connection

    If the probe plug is not completely inserted into the KFT socket, the circuit will remain open and E116 will appear. Remove and firmly re-insert the probe to rule this out before further diagnosis.

See the test procedure for each cause

Frequently asked questions about E116

What does E116 mean on a Gaggenau oven?
E116 means the oven has detected an interrupted connection to the core temperature sensor, also known as the KFT or meat probe. The control board is not receiving a signal from the probe circuit. The fault points to the probe cable, the KFT socket, or the probe itself. On ovens with software version 1.20 or earlier, this code will not appear on the display.
How do I fix E116 on my Gaggenau oven?
Start by inspecting the probe cable for any visible damage and check that the probe is fully seated in the KFT socket. Clean the socket to remove any debris or corrosion from the contact pins. If the cable and socket look intact, test the probe for continuity to determine if the sensor itself has failed and needs replacement.
Is it safe to use my Gaggenau oven while E116 is displayed?
E116 relates specifically to the core temperature probe circuit and does not affect the oven's main heating elements or temperature control system. The oven should still heat normally, but the meat probe feature will not function. If you do not need the probe for your current cooking task, continued use is generally acceptable, though you should resolve the fault before relying on the probe again.
Will resetting my Gaggenau oven clear the E116 error?
A power reset may temporarily clear the code from the display, but E116 will return if the underlying connection fault in the probe circuit has not been corrected. The fault must be resolved at the hardware level, meaning the cable, socket, or probe must be repaired or replaced, before the error will stay cleared.
How much does it cost to repair a Gaggenau oven showing E116?
Repair costs depend on which component has failed. If only cleaning the KFT socket resolves the issue, there is no parts cost. Replacing a damaged probe cable or the KFT socket assembly typically falls in the range of $50 to $200 for parts, plus labor if a technician is needed. A replacement core temperature probe itself can range from $30 to $150 depending on the model.

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