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Posted on Jan 02, 2017
SOURCE: plazma cutter/no arc
The Cutmaster 50 used two different CD "Capacitor Discharge" Boards. The only ones I have seen a lot of issues with were the smaller ones that are 3.5" X 4"
I have worked on several of the them over the last few months. Even though you might see a spark at the spark gap on the board it might not be sufficient to create a pilot arc.
If your air pressure and so forth are correct your issue is most likely the two white capacitors on the CD board.
Posted on Nov 07, 2009
SOURCE: Thermal Dynamics cutmaster 81.
Hi; Check the following troubleshoot and see if you can ID the problem:
Problem: Gas flows continuously when power is turned on, AC indicator flashes 1. Torch switch is activated (closed) before user turns power on. a. Release torch switch. 2. Faulty torch switch a. Check torch switch for continuity. Replace if necessary.
Problem: Gas flows continuously; Torch will not pilot when torch switch is activated; AC indicator ON 1. System is in SET mode a. Change to RUN / Rapid Auto Restart / SET switch to RUN (up).
Mostly of the problems found is that customer has the switch line on to SET instead of RUN.
Hope this help. Have a good afternoon.
Posted on Sep 16, 2011
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