Longevity FORCECUT 42i - Manual (Page 17)

ForceCut 42i 110v/220v PFC 40amp Plasma Cutter
17
G. No cutting output; Torch activated, power source on; Gas flows; Fan operates
1. Torch not properly connected to power supply, check that torch leads are properly connected 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, dry area of the workpiece.
3. Faulty components in unit, return for repair or have qualified technician repair per Service Manual.
4. Faulty Torch, return for repair or have qualified technician repair.
H. Low cutting output
1. Incorrect setting of CURRENT (A) control, check and adjust to proper setting.
2. Faulty components in unit, return for repair or have qualified technician repair.
I. Difficult Starting
1. 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.
J. Arc shuts off during operation; arc will not restart when torch switch is activated.
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 4bar/60psi; adjust as needed. It is need to open the machine cover.
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.
K. No gas flow; the power lamp on; Fan operates
1. Gas not connected or pressure too low, check gas connections. Adjust gas pressure to proper setting.
2. Faulty components in unit, return for repair or have qualified technician repair.