Hypertherm Duramax Hyamp Series, Руководство по обслуживанию

Страница: 90 / 102

90 Duramax Hyamp Long Handheld Torches Service Manual 808290
5 – Maintenance and Parts
Basic troubleshooting
Table 4 provides an overview of the most common problems that can arise when using the Duramax Hyamp long
handheld torches and explains how to solve them.

For troubleshooting information related to the power supply, as well as for an explanation
of the fault icons and corresponding fault codes that appear in the power supply’s LCD
display, refer to the Operator Manual for your Powermax system.

If a fault occurs while using a generator, turn OFF the power supply, wait 60 –
70 seconds, 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.
Table 4 – Troubleshooting guide
Problem Solutions
The arc does not transfer to the
workpiece. • Clean the area where the ground clamp contacts the workpiece to
ensure a good metal-to-metal connection.
• Inspect the ground 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.
The arc blows out, but re-ignites when
the torch trigger is pressed again. • Inspect the consumable parts and replace them if they are worn or
damaged. See Inspect the consumables on page 89.
• Replace the gas filter element if it is contaminated. Refer to the Operator
Manual for your Powermax system.
• Make sure the gas pressure is at the proper level.
The arc sputters and hisses. • The gas filter element is contaminated. Replace the element. Refer to the
Operator Manual for your Powermax system.
• Inspect the gas line for moisture. If necessary, install or repair the gas
filtration to the power supply. Refer to the Operator Manual for your
Powermax system.
The cut quality is poor. • Verify that the torch is being used correctly. See Operation on page 29.
• Inspect the consumables for wear and replace as necessary. See
Inspect the consumables on page 89.
• Check the air pressure and air quality.
• Verify that the cutting mode switch is in the proper position for the
cutting operation.
• Verify that the correct consumables are installed.