Longevity FORCECUT 62i - Manual (Page 14)

FORCECUT 62i
13
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.
A. The cutting torch fails to ignite the arc, when press on the torch switch, the
TIP/GUN/GAS light on.
1. Gas pressure too high, gas test then adjust gas pressure to 4bar/60psi.
B. The cutting torch fails to ignite the arc, when the torch switch is pressed; the
TIP/GUN/GAS lamp turns on.
1. The shield cup is improperly installed. Turn off the power source, install the shield cup
properly, and then turn on the power source.
C. The cutting torch fails to ignite the arc, when press on the torch switch, the
TIP/GUN/GAS lamp on and air feed intermittently.
1.The electrode or nozzle improper installation, turn off the power source, install the electrode or
nozzle, and screw shield cup down properly, then turn on the power source.
D .The cutting torch fail to ignite the arc, when press on the torch switch, the
TIP/GUN/GAS lamp on and air feed intermittently.
1. Short-circuit for burned-out and other abnormal situation, turn off the power source, and
change the electrode and nozzle.