If the display flashes an alpha-numeric code, refer to this list:
Door open alarm. Ensure the door is fully closed or check the door switch alignment. elstat ems 55 advanced manual
Periodically check the displayed temperature against a calibrated handheld thermometer to ensure accuracy. If the display flashes an alpha-numeric code, refer
Essential for the "learning" algorithm to detect foot traffic. elstat ems 55 advanced manual