If your Samsung oven is showing C-23, it usually means the temperature probe sensor has a short while the oven is operating. Essentially, the oven is detecting an unsafe reading and stops heating to prevent damage. The good news is that most of the time, this problem is simple to identify and fix, even at home.
Understanding the Fault
The temperature probe is a small sensor inside your oven that tells the control board how hot the oven actually is. When the sensor reports a short, the board cannot safely regulate heat, so it triggers the C-23 error. You might notice that the oven stops mid-cycle or the temperature display jumps around erratically. Sometimes the error disappears after restarting the oven, but if it keeps coming back, you know there’s a real issue to address.
Common Causes
Most of the time, a C-23 error happens because the sensor itself has failed. Heat over time can cause internal damage, creating a short. Other times, the wiring connecting the sensor to the control board can be damaged or corroded. Even a loose connector or pin can trigger the error. In rare cases, if the sensor and wiring are fine, the control board might be at fault.
Simple Steps to Try at Home
Start with the easy fixes before opening anything. Press the OFF button on the oven and then restart it. Often, this clears temporary glitches. If the error continues, unplug the oven or switch off the breaker for at least 30 seconds. This resets the control board and can sometimes clear the C-23 error.
If these steps don’t help, it’s time to inspect the sensor. Make sure the oven is completely powered off and cool. Remove the racks and locate the probe inside the oven, usually on the back wall. Carefully disconnect it and use a multimeter to check its resistance at room temperature. A working probe should read around 1,100 ohms. If the reading is far off, the sensor is likely shorted and needs replacement.
Replacing the Sensor
Replacing the temperature probe is usually straightforward. Unscrew the old sensor, disconnect the wiring, and put in the new one. After reconnecting everything, power the oven back on and run a test cycle. If the error is gone, the repair is complete.
Sometimes, even after replacing the sensor, the C-23 error might return. This usually points to wiring issues or, less commonly, a faulty control board. Carefully check that the wires aren’t pinched, burnt, or corroded and that connectors are properly seated.
Preventing Future Errors
Handling the probe gently and keeping the oven interior clean can prevent short circuits. Avoid spilling liquids near the sensor, and check wiring if you ever perform maintenance or repairs. Performing an oven self-test after major maintenance can help ensure everything is working correctly.
C-23 errors are usually caused by a small, replaceable component and can often be fixed at home. With careful handling and occasional preventive checks, your Samsung oven can keep cooking safely and reliably for years.