SWEISS
WELD.COM
info@sweissweld.com
14
5.1.2 Pilot arc troubles
A.
Torch failed to ignite the arc when torch is trigger is pressed.
1.
The system is set in “SET” mode, change it to “RUN” mode.
2.
Faulty in torch parts, inspect torch parts and replace it if necessary.
3.
Gas pressure is too high or too low, adjust it to proper state.
4.
Faulty components in the machine, return for repair or have qualified technician repair per Service
Manual.
B.
Difficult igniting
1.
The gas distributor is un-installed
2.
Worn torch parts (consumables), shut off input power. Remove and inspect torch shield cup, tip,
starter cartridge, and electrode. Replace electrode or tip if worn; replace starter cartridge if end
piece does not move freely; replace shield cup if excessive spatter
adheres to it.
3.
The machine is in trouble. Please
ask the qualified technician to check it and repair the machine.
C.
The torch is trigger is pressed, but the pilot arc is not change to the cutting pilot. The power
indicator lights up; Gas flows; Fan operates.
1.
It is inaccurate connection between torch and power supply, check the torch leads are properly
connect to power supply.
2.
Work cable not connected to work piece, or connection is poor, make sure that work cable has a
proper connection to a clean and dry area of the work piece.
3.
Faulty components in the machine, return for repair or have qualified technician repair per Service
Manual.
4.
Faulty Torch, return for repair or have qualified technician repair it.
D.
Arc shuts off during operation, and it will not restart when torch is trigger is pressed.
1.
Power Supply is overheated (OC/OT lamp on), let 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.
2.
Gas pressure too low (the TIP/GUN/GAS lamp on when press on torch switch is on), check source for
at least 65 psi / 4.5 bar; adjust as needed.
3.
Torch consumables worn, check torch shield cup, tip, starter element, and electrode; replace as
needed.
4.
Faulty components in unit:, return for repair or have qualified technician repair per Service Manual.
5.1.3 Cutting troubles
A.
No gas flow; the power lamp on; Fan operates
