i bought a HF welder, it worked good until a friend who is a welder came by and reversed the polarity--blew it out, the welder wont take reversing the leads, they aren't marked by color code. if you have the stick leads and tig leads out you can get them mixed up and then you have a dc stick welder. if the machine is faulty they will replace it no problem but getting any support for other breakdown accidents, you are SOL. no replacement parts in usa.
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