Starting from FortiOS 5.4 and above, HQIP (Hardware Quick Inspection Package) are built into FortiOS itself. You can use diag hardware test command to perform the hardware test to detect the hardware problem. This output of the hardware diagnostic return failed, you may send the hardware diagnostic report to fortigate support to claim the RMA.

Below are the few example of hardware diagnostic command

i. To show the list of hardware test case

ii. Test system configuration

iii. Test CPU

iv. Memory test

v. Test network interface detection

vi. Test disk

vii. Test Bios