yeah, i found the problem with that one, there was a short through an IC on the board, only took all night. Thanks for the info, now on to the next problem....diode pops/sparks/catches fire when i apply voltage to a coil. p/n 1N5819HW-7 across an omron pcb mount relay. this part of the circuit is all 24 vdc, the relay is rated to 30 volts and i have tested it without the diode and may continue to use it without , but I thought I might protect the mosfet driving the coil. It seems to work without the diode, but I was wondering if there is something I am not seeing in the
datasheet for the diode?