My unit turns off after 3 to 4 seconds. And the 'max' button is depres

My unit turns off after 3 to 4 seconds. And the 'max' button is depres

2 problems: Runs for 2 to 3 seconds then turns itself off. I can turn it back on immediately. Max button is depressed and will not pop back out. The unit turns off even with the filter removed.-Yes I pressed the micro switch. The air coming out is not hot. I have tried covering the vents.