Question about Miller Welding Tools
The unit was in storage for about a year and a half I believe there is a relay that's trying to clothes and maybe an insect has filed the contacts or something any ideas of How I can diagnose and repair welder
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Posted on Jan 02, 2017
Building on what WheatService said for any other newbs (like me) who may run across this...
1) Go to Radio Shack, get yourself two of the 272-1030 470uF/35V capacitors mentioned ($1.29/each) and a cheap soldering kit (mine came with solder and extras for $8). just take those numbers to the clerk, once he or she tries to sell you a couple cell phones, they should help you find the parts.
2) go home. disconnect the subwoofer from the wall, speakers, and dvd player
3) remove the 8 screws around the edge of the metal plate on back of subwoofer and carefully remove the metal plate and all the goodies attached to it. make sure to disconnect the two wires leading from the rest of the subwoofer to the circuit boards.
4) what you are looking at is two parallel circuit boards with a bunch of stuff in between them. to tell them apart, notice that one of the boards is home to a fan (amongst other things), and the other has the power cord running into it.
5) we want to remove the board that the power cord runs into, so make sure you've got the right one, and remove all of the screws which are holding it in place. again, be sure to unhook any cords before you yank off the circuit board.
6) once the board is removed, you should see two large heatsinks (pieces of metal). one is just a big rectangle that sticks straight up towards one end of the board and the other is kind of t-shaped (from the end) and a monstrosity. you'll want to look in the area between the two heat sinks but towards the smaller, rectangular one.
7) in that area, there may be some white foamy stuff sprayed around. take a look at the capacitors from radio shack and note their size. you are looking for two identical black, cylindrical capacitors roughly the same size as the ones you purchased (but a bit smaller). if you think you have the right ones, take a look at the side of them. you may have to scrape off some foamy stuff, but they should say 470uF/25V.
8) the basic idea here is that those 25V guys need to be replaced with 35V ones (the ones you bought). i'm no expert, but what worked for me is pulling lightly on the existing capacitors while melting the contact points from the bottom with the soldering tool. once those are removed, put the new ones in (push them almost all the way down so most of the wire is coming out the bottom). now turn the board back over and apply a generous bead of solder to each of the four wire points.
9) clip off the excess wire from the bottom, and marvel at your newfound expertise.
10) put the whole thing back together (steps 2-5 in reverse), remembering to connect the wires as you go.
11) turn it on and enjoy!
Posted on Apr 28, 2009
have you checked the error codes on the heater?
you can do this by powering off the controler and pressing the up and down keys for a few seconds. this should take you into the diagnostics mode scroll using the up and down keys till you find the one that has the letter E on it and that will give you the last 8 error codes write them down and get back to me
Posted on Jul 29, 2009
I have a 19" ViewSonic and if you hold down the 2nd and 3rd buttons together under the screen, counting from the LEFT, it will disable the Powerlock.
Posted on Jan 01, 2010
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