C-22 — Main Oven Temperature Sensor Shorted
C-22 indicates the MAIN oven temperature sensor circuit is shorted (resistance reads below the normal range, roughly under ~940 ohms). It is the oven temperature sensor, not a meat probe / secondary cooking sensor. Test the sensor and its wiring.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
- Verified against
- samsung.com ↗
How to fix it
- Unplug the meat probe if installed and try to clear the code.
- Power-cycle the oven at the breaker for 5 minutes.
- Inspect the probe jack inside the cavity for bent or corroded pins.
- Test the meat probe resistance against spec — replace if open/shorted.
- Open the back panel and check the harness from the probe jack to the main PCB.
- Replace the probe jack assembly or main control board if no other fault is found.
Why it happens
Typical signs: C-22 displayed during cook setup · Probe-based functions unavailable · Recipe/sensor cook modes won't run · Code clears with a reset but returns when probe is used
- Faulty meat probe Probe element is open or shorted.
- Damaged probe jack in cavity Jack contacts bent or corroded from cleaning.
- Harness fault to secondary sensor Wire from probe jack/secondary sensor to main PCB is open.
- Failed main control board input PCB sensor channel damaged.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Samsung oven meat probe Common replacementAmazon →
More Samsung oven codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: samsung.com.