VEVOR 10-IN-1 Convection Oven, 28L/29.6Qt Multifunctional Conventional Oven Countertop, 1800W 4-Tier Toaster with Front Glass Door, with Trays Wire Racks Gloves, Home and Commercial Use
This is normal. There is a cooling fan inside the PCB of the product, which will start to protect the PCB from heat dissipation as soon as the power is turned on.