How do I fix Samsung Oven Temperature Sensor (RTD Probe) Replacement?

Follow the step-by-step diagnosis below. The most likely fix is identified by checking power, sensor resistance, and control-board signals in order — using a multimeter and the part numbers documented in the parts reference table.

Can I keep running the equipment with this fault active?

Generally no. Faults on Appliance units are emitted when a sensor, safety, or control circuit is outside its operating envelope. Running through an active fault risks compressor, heater, or control-board damage. Diagnose and clear the fault first.

What part is most commonly replaced for Samsung Oven Temperature Sensor (RTD Probe) Replacement?

The most frequently replaced parts for Samsung Oven Temperature Sensor (RTD Probe) Replacement are listed in the Parts Reference section of this guide with OEM part numbers and typical price ranges. Check the table for direct replacements.

Is Samsung Oven Temperature Sensor (RTD Probe) Replacement a DIY repair or do I need a technician?

Sensor swaps, fan motor replacements, and condenser cleaning are typical DIY-level repairs. Anything involving refrigerant, gas, or high-voltage (>240V) work requires a licensed technician for both safety and code-compliance reasons.

Samsung Oven Temperature Sensor (RTD Probe) Replacement

Q: What does Samsung Oven Temperature Sensor (RTD Probe) Replacement mean?

Oven won't heat right or shows temp errors? Failed RTD sensor is the usual cause. Replacing the oven temperature sensor fixes it.

Samsung Oven Temperature Sensor (RTD Probe) Replacement — What This Part Does

The oven temperature sensor (RTD probe) is a resistance temperature detector that sits inside the oven cavity and continuously measures the air temperature. The control board reads the sensor’s resistance value (which changes with temperature) to decide when to turn the bake or broil elements on and off. When the sensor works correctly, your oven holds the set temperature within a few degrees.

The sensor fails when the internal resistor element drifts out of specification, the wire insulation breaks down from years of heat cycling, or the connector corrodes. Physical damage from oven racks or cleaning also kills sensors. A failed sensor sends a bad signal (or no signal) to the control, so the oven overheats, underheats, or throws a temperature-sensor fault code and refuses to run.

Jump to Replacement Steps

Signs It Needs Replacing

Temperature error code on display The control board displays a fault code indicating an out-of-range or missing sensor signal.
Oven won’t heat at all The control refuses to turn on the bake or broil elements because it can’t verify cavity temperature.
Oven overheats or underheats badly Food burns or stays raw because the control is making decisions based on a drifted or faulty sensor reading.
Sensor reads out of spec on ohmmeter At room temperature (around 72°F) the probe measures outside the acceptable range of roughly 1,060 to 1,100 ohms.
Sensor probe is visibly damaged or loose The metal tip is bent, the wire insulation is cracked or melted, or the mounting bracket has come free inside the cavity.
Intermittent faults that come and go The oven works sometimes and faults other times, often caused by a corroded or loose connector at the back of the range.

How to Replace It

Turn off power to the range at the circuit breaker or unplug the unit completely before you start.
Pull the range away from the wall to access the rear panel and remove the screws holding the back cover in place.
Locate the oven temperature sensor connector on the back of the range (trace the wire from the sensor inside the oven cavity) and disconnect it.
Set your multimeter to ohms and measure the resistance across the two sensor terminals at room temperature (around 72°F).
Compare your reading to the spec: the sensor should measure approximately 1,080 ohms with a tolerance of plus or minus 10 percent (roughly 1,060 to 1,100 ohms). If the reading is out of range or open/shorted, replace the sensor.
Open the oven door and remove the oven racks so you can access the sensor mounting bracket on the rear wall of the cavity.
Remove the two screws holding the sensor bracket to the oven wall and gently pull the sensor and wire back through the rear opening.
Feed the new sensor wire through the rear opening from inside the cavity, secure the bracket with the two screws, and reconnect the sensor plug at the back of the range.
Reinstall the rear cover, slide the range back into place, restore power, and run a test bake cycle to verify the oven heats and holds temperature correctly.

The Part You Need

Part	Notes
Samsung oven temperature sensor (RTD probe)	Amazon \| Check your model and serial number plate (inside the oven door frame or on the rear panel) and enter your full model number on the Samsung parts site or an appliance parts retailer to find the correct sensor part number for your range.

If this part is failing you may also see one of these codes:

When to Call a Pro

If your sensor tests in spec at room temperature but you still have heating problems or error codes, the issue may be in the wiring harness, connector pins, or the control board’s sensor input circuit. Tracing intermittent wiring faults and diagnosing control-board failures require a schematic and experience with live voltage measurements. A qualified appliance technician can isolate the fault, test the sensor under heat if needed, and replace the control board if the sensor circuit has failed on the board itself. For gas line, burner, or igniter work, or if you ever smell gas, stop and call a licensed technician.