Samsung ranges (NE electric, NX gas and dual-fuel) use a shared MICOM control system across the range, oven, and cooktop lineup, so the error codes look similar across all three categories. Reading the code correctly and knowing which part of the range it refers to — the cooking surface, the oven cavity, or the control panel — makes diagnosis much faster.
Common Error codes
- C-F0 / C-F1 / C-F2 — communication problem between the control board and a sub-board or display.
- C-d0 / C-d1 / C-d2 — door or key-related problem, often triggered by a stuck control lock or a door switch that isn’t registering correctly.
- C-20 / C-21 / C-22 — temperature sensor failure in the oven cavity.
- C-10 — sensor self-test problem, usually shown at power-up.
- C-24 — temperature rising too fast or a blocked vent; check that nothing is covering the oven vent opening at the back of the cooktop.
- d0 — stuck control panel button.
- -SE- — key short, meaning a button is registering as pressed even when it isn’t.
Electric vs. Gas Range Differences
NE electric ranges heat via elements under a glass or coil surface, so uneven heating or a burner that won’t reach full temperature usually points to the element itself. NX gas ranges add igniters, burner valves, and a pilotless ignition system, meaning most cooktop-side problems trace to ignition components rather than the control board. Keep this distinction in mind before assuming a shared cause between the two designs — the fix for one rarely applies to the other.
Symptoms Without a Displayed Code
An oven that preheats slowly or overshoots the set temperature before settling doesn’t always trigger a code — it’s worth verifying with an independent oven thermometer before assuming the sensor has failed. On gas models (NX series), a burner that won’t ignite or clicks repeatedly without lighting is usually a dirty or misaligned igniter rather than a control board issue. A cooktop that seems to have uneven heat across burners on electric models can point to a failing burner element rather than anything in the control system.
What Homeowners Can Safely Check
- Make sure the vent opening at the back of the cooktop (behind the rear burners) isn’t blocked by cookware or spills — this feeds the C-24 problem directly.
- Clean gas burner caps and igniters (NX models) of food debris, which is a very common cause of ignition trouble.
- Check that the control lock hasn’t been accidentally engaged, which can look like a stuck-button problem.
- Power-cycle the range at the breaker if a code appears once and the range otherwise operates normally.
Dual-Fuel Considerations
Dual-fuel NX ranges pair a gas cooktop with an electric oven, which means the two sections can develop entirely independent problems — a cooktop ignition issue has nothing to do with the oven’s electric heating elements or temperature sensor, and vice versa. If you’re troubleshooting a dual-fuel unit, isolate which section is actually affected before assuming a shared cause, since the control board treats gas burner functions and electric oven functions as largely separate systems even though they report through the same display.
When to Call a Technician
Repeat C-20/C-21/C-22 temperature sensor codes, or an oven that’s noticeably off from a verified thermometer reading, point to a sensor or control board issue that needs proper diagnosis rather than guesswork. A gas burner that won’t hold a flame after cleaning the igniter may have a valve or ignition module problem that shouldn’t be worked on without the right tools. Our range repair service can diagnose the exact problem, and our range error code reference has the full list if your display shows something not covered here.
We are an independent appliance repair service and are not affiliated with Samsung.
