250 DX annoying problem

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I have a syncro 250 with an annoying problem serial# LHO80453L STOCK#907194-041, everything welds runs andchecks out normally per the manual, execpt one thing everytiime I throw the power switch nothing happens  until I tap on the switch a few times then presto , everything workg perfectly, has any any one else on the forum seen this problem, much less heard of it maybbe switch needs cleaning. and  feedback on this one will be very much aoopecaitdwboldenLast edited by wbolden; 12-06-2011 at 10:58 PM.Reason: spellingMiller Shopmaster 300Miller Syncrowave 250Miller Thunderbole 250/150 AC-DCMiller Weldpack 140 w/autosetMiller S-22 WirefeederLincoln 255 xt Mig welderLincoln 216 Mig welderVictor,Smith and Harris OA7X 12 JET BANDSAW
Reply:Do you hear anything like a small arc????I'd say you need to do a switchendectomy soon. If not it will fail and you will be forced to do it anyway.If its dirty it will build up resistance and start heating up and burn out.
Reply:No I do not hear a small arc or any other sound I will be calling miller tomorrowgetting readt for a swetchectomy and again thanks AccountjesterMiller Shopmaster 300Miller Syncrowave 250Miller Thunderbole 250/150 AC-DCMiller Weldpack 140 w/autosetMiller S-22 WirefeederLincoln 255 xt Mig welderLincoln 216 Mig welderVictor,Smith and Harris OA7X 12 JET BANDSAW