MK Welding PC 100 LCD CNC, Руководство пользователя

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4. Faulty Torch, return for repair or have qualified technician repair.
D. 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.
E. 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.
F. Arc shuts off during operation; arc will not restart when torch switch is activated.
1. Power Supply is overheated, 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, 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 asneeded.
4. Faulty components in unit:, return for repair or have qualified technician repair per Service
Manual.
G. 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 settin
H. Torch cuts but low quality
1. Current (A) control set too low, increase current setting.
2. Torch is being moved too fast across workpiece, reduce cutting speed.
3. Excessive oil or moisture in torch, hold torch 1/8 inch (3 mm) from clean surface while
purging and observe oil or moisture buildup (do not activate torch). If there are
contaminants in the gas, additional filtering may be needed.