Furiosa active-cooled WARBOY stopped booting in Advantech G20 chassis

WARBOY active-cooled card enters reboot-powerup loop immediately after supplying power. Its is a continuous cycle. We hear some clicking noises indicating some relays are tripping.
G20 is deemed OK since (1) passive cooled card works (2) other video gfx cards work
Card is deemed OK since is works (no boot issue when plugged into ther industrial PB chassis.
The reboot is immediate, it appears to be very early in the power-on-self-test sequence.

Other information:
This card was working for about six weeks prior to being shutdown and moves to another work area.

Lastest tests done by Advantech in Milpitas CA after submitting N=2 active-cooled cards

Other pertinent info:
RMA job# RR20240718035300