Unimig RAZOR CUT 40 AIR, Руководство по эксплуатации

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1. Power lamp and temperature lamp on.
• Airflow blocked, check for blocked airflow around the unit and correct condition.
• Fan blocked, check and correct condition.
• Unit is overheated, let the unit cool down for at least 5 minutes. Make sure the unit has not been
operated beyond Duty Cycle limit.
• Faulty components in the unit, return for repair or have qualified technician repair per Service Manual.
2. Torch fails to ignite the arc when the torch switch is activated
• The system is in SET mode, change to RUN mode.
• Faulty torch parts, inspect torch parts and replace if necessary.
• Gas pressure too high or too low, adjust to the proper pressure.
• Faulty components in the unit, return for repair or have qualified technician repair per Service Manual.
3. No cutting output; Torch activated, power source on; Gas flows; Fan operates
• Torch not correctly connected to the machine, check that torch leads are correctly connected to the machine.
• Work cable not connected to the workpiece, or connection is weak, make sure that work cable has a
proper connection to a clean, dry area of the workpiece.
• Faulty components in the unit, return for repair or have qualified technician repair per Service Manual.
• Faulty torch, return for repair or have qualified technician repair.
4. Low cutting output
• Incorrect setting of CURRENT (A) control, check and adjust to the proper setting.
• Faulty components in the unit, return for repair or have qualified technician repair.
5. Difficult Starting
• Worn torch parts (consumables), shut off input power. Remove and inspect torch shield cup, tip and
electrode. Replace electrode or tip if worn; replace shield cup if excessive spatter adheres to it.
6. Arc shuts off during operation; arc will not restart when the torch
switch is activated.
• Power Supply is overheated, let the unit cool down for at least 5 minutes. Make sure the unit has not
been operated beyond Duty Cycle limit. Refer to Section 2 for duty cycle specifications.
• Gas pressure too low, check the source for at least 4bar/60psi; adjust as needed. It is needed to open
the machine cover.
• Torch consumables worn, check torch shield cup, tip, starter element, and electrode; replace as needed.
• Faulty components in the unit, return for repair or have qualified technician repair per Service Manual.
7. No gas flow; the power lamp on; Fan operates
• Gas not connected or pressure too low, check gas connections. Adjust gas pressure to the proper setting
8. Torch cuts but low quality
• Current (A) control set too low, increase the current setting.
• The torch is being moved too fast across the workpiece, reduce cutting speed.
• Excessive oil or moisture in torch, hold torch 1/8 inch (3 mm) from a clean surface while purging and
observe oil or moisture build-up (do not activate torch). If there are contaminants in the gas, additional
filtering may be needed.
WARNING: There are extremely dangerous voltage and power levels present inside this unit. Do not attempt to
diagnose or repair unit by removing external cover unless you are an authorised repair agent for UNIMIG.
FAQ & TROUBLESHOOTING
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