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Originally Posted by Opper77
I just downloaded the owner's manual to see the unit itself....a couple other things to try
1) make sure the rheostat isn't grounding out to the chassis through dirt, dust etc
2) throw a multimeter set on ohms on the leads to the switch and rotate it. you should see a varying number as you turn it... if not, it may be grounded out somewhere inside
3) just double check the voltage range selector and make sure its firmly seated into a setting. weird things can happen when its JUST out and its arcing to 2 settings (had an old Hobart that had this problem chronically)
Hope all this helps
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1. no grounds to chassis
2 Ohmeter read between 3 ohms on high to 15 on lowest setting as I cycled the knob. At first it read three ohms all the time but as I worked it back and forth it started reading between 3 and 15. I plugged it in and tried it and it slowed down a lot with low voltage but still seems faster than it did when new. The voltage setting affects the speed too so maybe I can get more information from the manual if I can find it when I have more time.
3. The inside of the machine is very clean and the voltage setting was always on the mark. It may just need to be used more. LOL
thanks for the help.