8-4 Powermax105 Operator Manual
Basic troubleshooting
The following table provides an overview of the most common problems that can arise when using the Powermax
system and explains how to solve them.
Note: Fault icons and corresponding fault codes appear in the LCD display. Refer to page 8-6 Fault codes
and solutions.
If a fault occurs while using a generator, turn OFF the power supply, wait 30 to 45seconds, and turn ON
the power supply.
If you are unable to fix the problem by following this basic troubleshooting guide, or if you need further assistance:
1. Call your Hypertherm distributor or authorized Hypertherm repair facility.
2. Call the nearest Hypertherm office listed in the front of this manual.
Problem Solutions
The ON/OFF power switch is set to
ON (I), but the power ON LED is not
illuminated.
• Verify that the power cord is plugged into the receptacle.
• Verify that the power is ON at the main power panel or at the
line-disconnect switch box.
• Verify that the line voltage is not too low (more than 15% below the
rated voltage).
• Verify that the circuit breaker has not been tripped.
The arc does not transfer to the
workpiece.
• Clean the area where the work clamp contacts the workpiece to ensure
a good metal-to-metal connection.
• Inspect the work clamp for damage and repair as necessary.
• The pierce-height distance may be too large. Move the torch closer to
the workpiece and fire the torch again.
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