I did the same thing. Its not broken, it has this automatic thing where it turns off if its put up too far. Wait for around 20 mins and plug it back in( make sure the arrow is at the same spot that it was originally in). The adjustment screw is very very sensitive, so do tiny adjustments.
1989 Mazda Rx7
greddy t04b, megasquirt ecu, PlX wideband, 12x28x3 fmic, 50mm hks clone wg, ssqv bov, Safc, ss oil lines, walbro fuel pump, tubo intake manifolds, ssac exhaust manifold, 3" dp, 550cc primary/720cc secondary injectors, etc.