There are some common problems and causes of door metal detector frame failure,customers can quickly judge for themselves ,as follows:

1.Fault: Startup self-test shows that the left door panel does not pass

Cause: The acquisition card of the door panel is broken

Solution: Replace the collection card

2.Fault: The boot self-test fails, and the infrared cross is displayed

Cause: Infrared light damage

Solution: Replace infrared light sense

3.Fault: The LOGO page is displayed when the system is started, and the system cannot be accessed

Cause: The motherboard chip is broken

Solution: Replace the main board