MSD Grid

I’ve been having some issues with my grid, on 3 occasions after releasing the button timing has failed to drop and output switch hasn’t activated. Last run failed to engage the 2 step on the button, racepak shows launch and release, no timing drop, smoked tires on release caught motor on upper limiter. I have run grid in real time without motor running at least 50 times does what is programmed perfectly. I will replace the grid, I’m wondering if anyone else has had anything similar, I’ve...

MSD Grid