The controller screen shows an error (Er1, Er2, LEr and HEr)
See our video on basic operating steps to understand what each error message means. Er1: Temperature Sensor Failure. Er2: Incorrect Startup Setting. LEr: Low Temperature Error HEr: High-temperature alert View the video to learn about the error codes of the pellet grill. https://www.youtube.com/watch?v=2A32kj0-vbU