Table of Contents
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PCM-875A System
6.1 Troubleshooting PCM-875A Plasmarc System ................................................
6.2 Console .........................................................................................................
6.2.1 Power Light (PL1) does not come on.......................................................
6.2.2 No Air Flow.............................................................................................
6.2.3
Power Light is on but nothing happens when signal is given to fire with
no fault light .........................................................................................
6.2.4 Fault light activates when torch fire signal is given ....................................
6.2.5 Air is on but nothing happens when torch fire signal is given ....................
6.2.6 High Frequency and Pilot Arc are on but no main arc transfer ..................
6.2.7 Poor Cutting Performance.......................................................................
6.2.8 Air does not shut off................................................................................
6.2.9 Main arc difficult to start ..........................................................................
6.3 Reference Voltage Checks..............................................................................
6.4 PT-20AMX Torch Troubleshooting10 ..............................................................
6.4.1 Insufficient Penetration ............................................................................
6.4.2 Main Arc Extinguishes.............................................................................
6.4.3 Dross Formation .....................................................................................
6.4.4 Double Arcing.........................................................................................
6.4.5 Uneven Arc.............................................................................................
6.4.6 Unstable Cutting Conditions....................................................................
6.4.7 Main Arc Does Not Strike ........................................................................
6.4.8 Poor Consumable Life.............................................................................
6.5 230V Power Console Electrical Drawings ........................................................
6.5.1 Schematic ..............................................................................................
6.5.2 Wiring Diagrams .....................................................................................
6.6 400V Power Console Electrical Drawings ........................................................
6.6.1 Schematic ..............................................................................................
6.6.2 Wiring Diagrams .....................................................................................
6.7 Remote Arc Starter Schematic........................................................................
7.1 General ..........................................................................................................
7.2 Ordering .........................................................................................................
7.3 PCM875A Power Console - 230V ..................................................................
7.4 PCM-875A Power Console - 400V .................................................................
7.5 Remote Arc Starter.........................................................................................
7.6 PT-20AMX Plasmarc Cutting Torch.................................................................
Customer/Technical Information
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Table of Contents
Troubleshooting
