Samsung Oven Control Board Replacement — What This Part Does
The electronic range control board (ERC) is the main control board in your Samsung oven. It processes user inputs from the touchpad or knobs, switches outputs to heating elements and fans, and drives the display panel. When the board’s relay circuitry or logic fails, the oven loses the ability to regulate temperature, display status, or run any cooking functions normally.
Control boards fail because relay contacts burn out, solder joints crack from thermal cycling, or circuit traces corrode from moisture and heat exposure over time. Power surges and component load failures (like a shorted element) can also damage the board. Before replacing the board, always check for burned terminals, loose connectors, or broken wiring that can mimic a bad board.
Signs It Needs Replacing
- Touchpad or control buttons do not respond You press buttons to select bake or adjust temperature and nothing happens.
- Display is blank or shows garbled characters The control panel screen stays dark or flickers with random segments.
- Oven will not heat at all You select bake or broil but the elements never energize and the cavity stays cold.
- Temperature swings wildly or oven shuts off during cooking The oven runs too hot or too cold, or it powers down mid-cycle without user input.
- Cooling fan does not run when the oven is hot The convection or cooling blower should start above about 200°F but remains silent.
- Oven cycles through functions on its own The display changes modes or the oven starts heating without anyone touching the controls.
How to Replace It
- Switch off the circuit breaker feeding the range or unplug the appliance completely to cut all power.
- Remove the screws securing the rear panel or control-panel cover (location varies by model) to expose the control board mounted behind the touchpad.
- Take clear photos of every wire harness and connector position on the old board so you can replicate connections exactly.
- Check all visible wiring and terminals for burn marks, broken wires, or loose plugs before condemning the board.
- Disconnect each wire harness or ribbon cable from the old board by pressing release tabs or pulling connectors straight off.
- Remove the mounting screws or clips holding the control board to its bracket and lift the board free.
- Mount the new control board in the same orientation, secure it with screws or clips, then reconnect each harness one at a time using your reference photos.
- Reinstall the control-panel cover or rear panel and tighten all screws.
- Restore power at the breaker and run a test bake cycle to verify the display lights, the oven heats, and all functions operate normally.
The Part You Need
| Part | Notes |
|---|---|
| Samsung range main control board / ERC | Amazon | Part number is model-specific. Find your full model and serial number on the label inside the oven door frame or on the front frame when you open the door. Example Samsung board part numbers include DE92-03019B and relay board DE81-05671A, but you must match your exact model. |
Related Error Codes
If this part is failing you may also see one of these codes:
- Samsung Oven C 20 error code
- Samsung Oven C 21 error code
- Samsung Oven C 22 error code
- Samsung Oven C 23 error code
- Samsung Oven C 24 error code
- Samsung Oven C D0 error code
- Samsung Oven C D1 error code
- Samsung Oven C F0 error code
- Samsung Oven E 08 error code
- Samsung Oven E 27 error code
When to Call a Pro
If you are not comfortable working near 240-volt wiring or if you need to perform live voltage testing to confirm the board is actually at fault, call a qualified appliance technician. A pro will use a multimeter to measure whether the board is sending approximately 120 VAC to loads like the blower motor or heating elements under the correct conditions. If the board supplies voltage but the component does not run, the load is bad instead of the board. Misdiagnosing the failure wastes money on an unnecessary board, so professional testing can save you time and parts cost when symptoms are ambiguous. For gas line, burner, or igniter work, or if you ever smell gas, stop and call a licensed technician.