Dacor oven displays F3 and stops heating; may occur shortly after starting a cycle

Safety first: Disconnect power at the breaker before accessing the rear of the oven or any wiring.

• Access the sensor: Locate the temperature sensor probe inside the oven (usually upper back wall). Remove the mounting screws and gently pull the sensor forward to access the connector, or access from the rear panel depending on model.
• Measure resistance: Disconnect the sensor and measure resistance with a multimeter at room temperature. Expect ~1080–1100 Ω. If the reading is infinite (open) or near 0 Ω (short), replace the sensor.
• Check harness: If the sensor tests good, check continuity from the sensor connector to the ERC connector using a multimeter. Repair any broken or burned wires.
• Inspect connectors: Look for corrosion, loose pins, or heat damage at both ends of the sensor wiring. Clean and reseat connectors firmly.
• Replace ERC if needed: If sensor and wiring are good but F3 persists, the ERC sensor circuit may be defective. Replace the ERC.

Always verify the model-specific sensor part number from Dacor documentation before ordering a replacement.