hi all, new to forum, i have a tradesmig 160 with a fault that developed since putting the machine away over the winter, came to use it and the motor that feeds the wire has stopped working, a little bit of investigating and i noticed one of the relays wasnt working on the pcb board, the year before the other relay wasnt working but a little tap and it started to operate again and all was well. no such luck with this other relay, i removed the plastic cover and gently operated the relay manualy and the wire motor started operating and the variable speed controler operated as it should do to, so i have drawn the conclusion that either the signal to operate the relay is broken somewhere or the relay or component on the board had gone faulty. ive checked the board and cannot see damagaed or broken parts or cracks etc, ive checked all wiring with a multimetre and everything else on the wleder apears to be working but not this relay. is there a compnonet on the board that could stop the relay working or does it simply mean the relay has failed ?. i see lots of people mention changing components on the pcb, this i can do but guideance as to which component does what and where would be needed. can anyone point me in the right direction, pcb board is a elstra wien w22 4273882 which i beleive is also in the 230 amp machine. the welder has always been a bit fragile as to the consistancy of welding, one minute it worked great, go to use it five minutes later and it wouldnt work as it did previoulsy and you would have to adjust settingsda again and so on, i got used to doing this but maybe if this relay or pcb board isnt upto scratch it would be causing my inconsistancy. any help or guide would be gratefull, if not does anyone knoe who to trust to check th eboard or sell em another etc. thanks all.