ESAB Plasmarc EPP-200 Manuel D'instruction page 29

SECTION 6
6.1 Introduction
WARNING
WARNING
6.2 Procedure
Electric Shock Can Kill!
Ensure all primary power to machine has been externally
disconnected.
Open line (wall) switch before attempting inspection or performing
work inside the plasma console or plumbing box.
Capacitors Can Store High Voltages.
Disconnecting plasma console does not ensure capacitors are de-
energized.
Ensure console capacitors are grounded after removing power and
prior to performing maintenance.
1. Shut main power switch on the console to OFF position.
2. Disconnect main power line (wall) switch.
3. Check for obvious external settings, switches and external
connections.
4. If a problem is found, correct and proceed with normal operations.
5. If not, remove side panels. ( Reminder: Power must be disconnected
before removing any covers.)
6. Perform a visual inspection of internal components. Check for:
• Loose or burned wiring and components
• Secure terminal connections
• Bulged or leaking capacitors
• Other signs of discoloration
Refer to the troubleshooting guide for identification of many
problems, possible causes and remedies.
Reference wiring diagrams and schematics are found in the last
part of this section
.
29
TROUBLESHOOTING