Breville Oven Error F03

DIY Fix Basic checks for generic F03‑like errors

1. Turn the oven power off and unplug it (or switch off breaker) for at least 5–10 minutes then restore power.
2. Visually inspect the oven interior sensor/probe (if accessible) for obvious damage.
3. Check that door is fully closed and clean any debris around the sensor area.

Technician Only Technician‑level diagnosis for potential sensor/control issues

1. Disconnect power and access the oven’s internal temperature sensor (thermistor) and measure resistance with a multimeter.
2. Check wiring harness for continuity to control board.
3. If sensor and wiring test within spec, test or replace control board.
4. Reassemble and test oven heating functions.

Parts needed: temperature sensor/thermistor, control board (if needed)