Error code
E-24
Meaning
Oven temperature is dangerously high
Moderate
What to do
Why this happens
Possible causes include an oven sensor malfunction, failure in broil, bake, or convection heaters, main PCB relay issues, harness disconnection, or temperature sensor resistance being out of range.
How to fix it
Replace oven sensor if reading is incorrect; otherwise check heater relay operation and main PCB
SourceSamsung service manual