Suvie Starch Cooker has a number of sensors designed to ensure the safe operation of you device. Please ensure the pot is firmly placed inside the unit centered on the heater base, and that the starch cooker door is closed completely. Also be sure to insert the empty drain tray into the bottom of the unit.
If you need further assistance, please email our support team at help@suvie.com and we'd be happy to assist.