STEALTH DIGI-CUT 60-1
12
6 TROUBLESHOOTING
WARNING There are extremely dangerous voltage and power levels present inside this unit.
Do not attempt to diagnose or repair unless you have had training in power
electronics measurement and troubleshooting techniques.
6.1 Power lamp and temperature lamp is on.
6.1.1 Check for blocked air flow around the unit and it is in good working order.
6.1.2 Fan blocked – check and correct condition.
6.1.3 Unit is overheated – allow it to cool down for at least 5 minutes and make sure
the unit has not been operated beyond Duty Cycle limit. Refer to Technical
Information in Section 2.
6.1.4 Faulty components in unit – return to your distributor for repair or have a
qualified technician repair using the Service Manual.
6.2 Torch fails to ignite the arc when torch switch is activated.
6.2.1 System is in ‘SET’ mode – change to ‘RUN’ mode.
6.2.2 Faulty torch parts – inspect torch parts and replace if necessary.
6.2.3 Gas pressure is too high or too low – adjust to correct pressure.
6.2.4 Faulty components in unit – return to your distributor for repair or have a
qualified technician repair using the Service Manual.
6.3 No cutting output. Torch is activated, power source is on, gas flows and fan operates
6.3.1 Torch not properly connected to power supply – check that torch leads are
properly connected to power supply.
6.3.2 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.
6.3.3 Faulty components in unit – return to your distributor for repair or have a
qualified technician repair using the Service Manual.
6.3.4 Faulty Torch – return to your distributor for repair or have a qualified
technician repair using the Service Manual.
6.4 Low cutting output
6.4.1 Incorrect setting of CURRENT control – check and adjust to correct setting.
6.4.2 Faulty components in unit. Return to your distributor for repair or have a
qualified technician repair using the Service Manual.
6.5 Difficulty Starting
6.5.1 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.