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ErrBase

Dacor Oven F2 Error: Temperature Runaway or Sensor Fault

Quick Answer

Dacor F2 is a temperature fault indicating either genuine overheating or a sensor reading abnormally high values. Since Samsung acquired Dacor in 2016, newer Dacor models share Samsung oven technology. However, older Dacor ovens (pre-2016) used Dacor's own proprietary control systems.

Look, F2 on a Dacor is one of those codes you don't want to sit on. If the oven's actually running hot when it shouldn't be, that's a fire risk and you need to cut power at the breaker now. Most of the time though, it's a sensor that's drifted out of range and the oven itself is perfectly cold. I fixed three of these last month. Two were a $45 sensor swap. Don't panic yet.

DacorOvenSeverity: highDifficulty: advanced75% DIY Success
Time to Fix
20–90 min
Difficulty
advanced
Parts Cost
$30 – $600
Tools Needed
Phillips #2 screwdriver, Torx T20 screwdriver

What Does the F2 Code Mean?

Dacor builds serious ovens and F2 is basically the control board yelling that something's wrong with the temperature. Could be a bad sensor lying to the board, or the oven is genuinely running away. On pre-2016 models especially, the RTD sensor wiring gets cooked over years of heavy use and starts sending bad readings. Usually a $45 to $80 fix if you catch it before it takes out the control board too.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

RTD temperature sensor failed reading high40%
Control board relay stuck closed24%
Genuine overheating from element fault14%
Broil element energized during bake12%
Sensor wiring shorted giving false high reading10%

Symptoms You May Notice

  • Display shows F2 and the oven shuts itself off mid-bake, sometimes with a continuous beeping alarm that won't quit until you manually clear it.
  • You smell something burning, like cooked plastic or insulation, coming from around the back panel or near the control area at the top.
  • The door frame or the top panel near the controls is hot to the touch even 20-plus minutes after you turned the oven off.
  • Self-clean cycle starts fine then dies partway through with F2 on the display and the door still locked, which is super fun.
  • Oven keeps heating after you turn it off, or the preheat indicator never goes out no matter how long you wait.

Can you reset a Dacor oven to clear the F2 code?

Head to your breaker panel and flip the circuit off for at least five minutes. That gives the capacitors on the control board time to fully discharge and clear whatever's stored in memory. If the F2 was triggered by a temporary glitch during a high-heat cycle, it might clear once the cavity cools below 400 degrees. Flip the breaker back on and watch the display. If it comes back within 30 seconds of powering up, the sensor circuit is definitely compromised and you need to test it before using the oven again.

Tools Required for Diagnosis

Phillips #2 screwdriverTorx T20 screwdriverNut driver set (1/4" and 5/16")Digital multimeterFlashlight or headlampWork gloves (sheet metal edges are sharp)

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

ComponentComponent Under Test
Expected Range1080–1100 ohms
ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Dacor RTD Temperature SensorModel-specific · $30–$60
Dacor Oven Control BoardModel-specific · $300–$600

Frequently Asked Questions

Is Dacor oven repair worth the cost?
Absolutely. I tell my customers that even an $800 repair on a Dacor is a bargain compared to the $5,000 price tag for a new equivalent. These units are built with heavy-duty steel and high-end insulation that outlasts modern throwaway ranges by a decade. A new sensor or relay board can easily give you another ten years of solid service if the rest of the unit is in good shape. Don't scrap it over a sensor.
Can I still use my Dacor oven after the F2 code?
Honestly, no, not until you figure out what triggered it. If the sensor's bad, you've got no way of knowing whether the oven is actually at 350 or 600 degrees. I've seen people push through an F2 and pull out charcoal where their roast was supposed to be. And if the relay is stuck, you're risking a real fire. Reset the breaker, see if the code comes back immediately. If it does, don't use it. Full stop.
How much does a Dacor RTD sensor cost and is it hard to replace?
Sensors run $45 to $85 for most Dacor models. Pull the model sticker off the door frame or inside the storage drawer before you order because the part number varies by series. The replacement itself is pretty straightforward: two screws hold the probe to the back wall of the oven cavity, and there's one connector behind the rear access panel. Most people can do it in about 30 minutes. Just make sure the probe seats all the way into its mounting bracket so it doesn't rattle loose during a self-clean cycle later.
Dacor is owned by Samsung now. Can I use Samsung parts?
It depends on the year. If your Dacor has a touchscreen panel that looks like a smartphone interface, it probably uses Samsung-sourced electronics internally. But the heating elements and sensors often have different mounting brackets or connector types even when the electronics match. I always use the specific Dacor part number from the factory sticker to avoid fitment headaches that could cause another F2 or throw off the temperature calibration after the repair.
Where do I find a qualified Dacor repair technician?
You really want someone who knows high-end appliances specifically. Dacor ovens use complex logic for their cooling fans and dual-fuel systems, and a generic appliance tech might misdiagnose a perfectly fine board as bad when it's actually just a thermal fuse or a loose wire at a connector. Look for technicians who specialize in luxury brands or authorized Dacor service centers. Calibration after a sensor swap actually matters on these units, and a good tech will verify the real oven temp against the display reading before they pack up and leave.

Models Known to Experience F2 Errors

This repair applies to most Dacor ovens with this error code. Common model numbers include:

DTO130, PO130, DOP36M96GLS, DTT36M976LS, DOB30M977DS, DOP48M86DLS, RNF365, EF36IWFSS

MS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 15, 2026