mypros+
Error code reference

Samsung Range Error Code SE2

Oven sensor opened problem.

Samsung codesSamsung range codes

Oven sensor opened problem.

First step from the service manual

Press the CLEAR/OFF pad and restart the oven. If the problem persists, disconnect all power to the range for at least 30 seconds and then reconnect the power.

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

MyPros+ Max

Get the full diagnostic procedure for SE2.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What SE2 means on a Samsung range

The SE2 error code on a Samsung range indicates an open circuit condition in the oven temperature sensor circuit. The oven sensor, also called a resistance temperature detector (RTD), is a probe mounted inside the oven cavity that continuously monitors cooking temperature by varying its electrical resistance as temperature changes. When the control board reads an open circuit from this sensor, meaning the circuit has lost continuity, it cannot receive valid temperature data and displays SE2 to halt operation and prevent unsafe cooking conditions.

An open sensor circuit typically means the sensor probe itself has failed internally, or that the wiring harness connecting the sensor to the control board has been damaged, corroded, or disconnected. The sensor probe should read approximately 1080 ohms of resistance at room temperature. A reading of infinite resistance on a multimeter confirms an open circuit within the probe, pointing to a failed sensor. If the probe reads correctly but the error persists, the wiring harness or the control board input circuit may be at fault.

Before assuming a hardware failure, Samsung's first diagnostic step is to clear the error and reset power to the unit. A temporary voltage spike or software glitch can occasionally trigger a false SE2 reading. Disconnecting power for at least 30 seconds allows the control board to fully reset. If the code returns after restoring power and attempting normal operation, physical inspection and component testing are needed to isolate the fault.

Source: manufacturer service documentation.

Common causes of SE2

  1. 01

    Failed oven temperature sensor

    Part replacement

    The RTD sensor probe inside the oven cavity has developed an open circuit internally. Testing the sensor with a multimeter should show roughly 1080 ohms at room temperature; an infinite or no-continuity reading confirms the probe has failed and needs replacement.

  2. 02

    Damaged or disconnected wiring harness

    Wiring / connection

    The wiring between the sensor probe and the control board may be burned, pinched, corroded, or pulled loose at a connector. Visually inspect the harness running from the sensor along the back of the oven cavity to the control board for any obvious damage or loose plugs.

  3. 03

    Corroded or loose connector terminals

    Wiring / connection

    The connector terminals at either end of the sensor harness can corrode over time due to heat cycling and moisture, creating a high-resistance or open connection. Cleaning or reseating the connectors may resolve the error without replacing any parts.

  4. 04

    Control board input circuit fault

    Part replacement

    If the sensor and wiring both test correctly but SE2 persists, the sensor input circuit on the main control board may have failed. This is less common but can occur after a power surge or general board failure.

  5. 05

    Temporary control board software glitch

    Wiring / connection

    Occasionally, a voltage fluctuation or software error will trigger a false SE2 reading. Performing the recommended power reset by disconnecting power for at least 30 seconds can clear this condition without any parts or repair work.

See the test procedure for each cause

Frequently asked questions about SE2

What does SE2 mean on a Samsung range?
SE2 on a Samsung range indicates an open circuit problem in the oven temperature sensor. The control board cannot detect a valid signal from the oven sensor probe, so it shuts down oven operation and displays the code. This is most often caused by a failed sensor probe or a wiring issue between the sensor and the control board.
Will resetting the range clear the SE2 error?
A reset can clear SE2 if the error was triggered by a temporary voltage spike or software glitch. Press the CLEAR/OFF pad first, then disconnect all power to the range for at least 30 seconds before restoring power. If the code returns when you attempt to use the oven again, a physical component fault is present and needs to be diagnosed and repaired.
Is it safe to use my Samsung range when it shows SE2?
The oven portion of the range should not be used while SE2 is active because the control board cannot monitor oven temperature, creating a risk of overheating. Surface burners on a gas or electric range may still function depending on the model, but the oven should remain off until the sensor issue is resolved.
How do I fix the SE2 error on my Samsung range?
Start with the power reset described in the first diagnostic step: press CLEAR/OFF, then disconnect power for at least 30 seconds and reconnect. If the code returns, use a multimeter to test the oven sensor probe for continuity and approximately 1080 ohms of resistance at room temperature. A reading of infinite resistance means the sensor needs replacement. If the sensor tests fine, inspect the wiring harness and connectors for damage or corrosion before considering a control board issue.
How much does it cost to repair a Samsung range SE2 error?
Repair costs depend on which component has failed. An oven temperature sensor is typically the least expensive fix, with parts generally ranging from $20 to $60 and labor costs varying by region if a technician is hired. A replacement control board is significantly more expensive, often ranging from $150 to $350 or more for parts alone. Getting a diagnostic appointment with a qualified technician can help confirm the faulty component before purchasing parts.

Related Samsung range codes

All Samsung range codes
View all 72 Samsung range codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass