DIAGNOSIS The three-beep error indicates an incorrect control setup. The displayed number is an error code. Code 'E1' typically means the cooking function knob is set between two functions.
FIX Turn the unit off at the power button. Check the large function selection knob. Ensure it is clicked firmly into a single setting like 'Air Fry' or 'Roast', not between settings. Align the knob's marker precisely with a function icon. Power the unit back on.
IF THAT DIDN'T WORK If the code persists, the internal safety thermostat may have tripped. Unplug the appliance for 30 minutes to allow it to reset completely. Plug it back in and try again.
HEADS UP Do not force the function knob. It has distinct detents. Forcing it can damage the internal switch.