help with hypertherm

Tue, 31 Aug 2021 09:05:48 GMT

go to see Welding Machine for help with hypertherm

hello all! new to the forum.I could use a little help troubleshooting my powermax 800. has been working fine. was using the machine the other day. powered it up made a couple cuts, was grabbing the next piece to cut ( machine still running) then it powered down.  first checked the breaker then measured voltage to unit(237v). opened it up and one of the fuses was blown.replaced the fuse and flipped the power and nothing. fuse is blown again. did a few tests in the manual and the d2 ,d3 diode test failed. It says to replace d2 and d3 diode. Is there something that would cause the diode to fail? thanks for any input
Reply:The best bet is to contact Hypertherm tech service. There are more than a dozen techs that spend every work day helping Hypertherm end users with issues like yours. They are good at what they do, they are very helpful, and the service is free!  Go to www.hypertherm.com  to get the contact info!Jim Colt   Hypertherm Originally Posted by cmarhello all! new to the forum.I could use a little help troubleshooting my powermax 800. has been working fine. was using the machine the other day. powered it up made a couple cuts, was grabbing the next piece to cut ( machine still running) then it powered down.  first checked the breaker then measured voltage to unit(237v). opened it up and one of the fuses was blown.replaced the fuse and flipped the power and nothing. fuse is blown again. did a few tests in the manual and the d2 ,d3 diode test failed. It says to replace d2 and d3 diode. Is there something that would cause the diode to fail? thanks for any input
Reply:Yes there are reasons for its failure but it is possible that it is  still good and just being read as inop.
Reply:Welcome to the forum.Lincoln A/C 225Everlast P/A 200