hi guys. Bit of advice from the electronically minded guys please. Bought this welder as a non runner. It trips breaker when pulling trigger. After looking through various posts I’m thinking maybe rectifier. This unit has 12 diodes on four heat sinks. One thing I noticed when having a quick nosey. When powering unit on the fan comes on fine and all seems good. I put my multimeter on the copper going into rectifier from transformer and it was reading 0.2v. Turning the power dial altered these readings marginally but not a lot. On the DC side of the rectifier the reading was 190mv which stayed constant varying the power setting. Is this the sort of output to expect when unit just turned on idle. I assumed but maybe wrong that there would be a higher voltage on the transformer wires. All the diodes look intact but I don’t have ability to check them. Any advice on this subject would be greatly appreciated. Thanks.