so this is showing E35, which relates to the inlet valves , (fine) the wiring (fine ) the pressure switch (fine ) leaks etc (none ) so there is carbon dust on the power supply area of the board which i have seen all too often , so is it down to the faulty board again? how can this happen constantly and not be damaging the valves switches wiring etc are the boards so cheap they just pack in with the slighest over voltage ?? grttin sick o his crap , i replaced 5 boards in the past 2 months , no problems with any components !