i ran into something got me scrach my head,i am little green on electrical,maybe some hvac tech can give me a tip or two,got 28v(dont think little high matter) from controlboard to contactor when it call for heat,but contactor wont pullin,and change contactor,still same thing wont pullin,i jump wire stright from R and C to contactor,and it pull in,if board is bad it shoulndt send 28 v to contactor,if contactor is bad,i jump R and C to it,it shouldnt pull in?what ur think i need to look,check loss wire it all fine,got 240 v L1 and L2,good ground,need help,thanks
