CHAPTER 4: OPERATING INSTRUCTIONS
IS-300CA INVERTER POWER SUPPLY
990-418 4-3
3. If no error is detected in Step 2, ensure that the three READY requirements are met:
• The Power Supply WELD ON/OFF LED must be ON.
• The ON/OFF setting on the Pendant must be set to ON.
• An external WELD ON/OFF signal must be present at the I/O terminal block.
4. Check that the Power Supply green READY lamp is on.
5. Start the weld sequence and confirm that the welding current is flowing normally by checking
the red WELD lamp and the Monitor screen.
6. Make any necessary adjustments to the schedule so that the work piece will be properly welded.
7. When welding multiple work pieces according to multiple schedules, change the SCHEDULE #
and set new time and welding currents.
8. Set the upper and lower limits on the Pendant MONITOR SET screen for each SCHEDULE #.
9. Begin welding following normal procedures. Adjust the SCHEDULE settings as necessary.
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