6.6 Arc shuts off during operation. Arc will not restart when torch switch is activated.
6.6.1 Power Supply is overheated (OC/OT lamp is lit) – allow unit to 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.
6.6.2 Gas pressure too low (the TIP/GUN/GAS lamp is lit when torch is switched on)
– check source for at least 4bar/60psi and adjust as required (the machine
cover will require opening).
6.6.3 Torch consumables worn – check torch shield cup, tip, starter element and
electrode. Replace as required.
6.6.4 Faulty components in unit – return to your distributor for repair or have a
qualified technician repair using the Service Manual.
6.7 No gas flow, the power lamp is on and fan operates
6.7.1 Gas not connected or pressure too low – check gas connections. Adjust gas
pressure to correct setting.
6.7.2 Faulty components in unit – return to your distributor for repair or have a
qualified technician repair using the Service Manual.
6.8 Torch cuts but low quality
6.8.1
CURRENT control set too low – increase current setting.
6.8.2 Torch is being moved too fast across workpiece – reduce cutting speed.
6.8.3 Excessive oil or moisture in torch – hold torch 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 required.
13
STEALTH DIGI-CUT 60-1
