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TROUBLESHOOTING
Problem
No cutting output
when torch is
activated; Power
indicator ON, gas
flows, fan turns.
Torch cuts but not
adequately.
Output is restricted,
and can not be
controlled.
Cutting output is
unstable or
inadequate.
Hard to startup.
Possible Cause
Torch is not connected properly
to power supply.
Working cable not connected to
work piece, or connection is
poor.
Faulty components in unit.
Faulty torch.
Incorrect setting of output
current control.
Working cable connection to
work piece is poor.
Faulty components in unit.
Input or output connection is
poor.
Working cable connection to
work piece is poor.
Faulty components in unit.
Input or output connection is
poor.
Working cable connection to
work piece is poor.
Fluctuations in input power.
Torch parts worn (consumables).
Remedy
Check torch connection to power
supply.
Make sure that work cable has a proper
connection to a clean, dry area of the
work piece.
Return for repair or have qualified
technician repair machine.
Return for repair or have qualified
technician repair torch.
Check and adjust to proper setting.
Make sure that work cable has a proper
connection to a clean, dry area of the
work piece.
Return for repair or have qualified
technician repair machine.
Check all input and output connection
leads.
Make sure that work cable has a proper
connection to a clean, dry area of the
work piece.
Return for repair or have qualified
technician repair machine.
Check all input and output connection
leads.
Make sure that work cable has a proper
connection to a clean, dry area of the
work piece.
Have electrician check input line
voltage.
Turn off input power, remove shield cup,
tip, start cartridge, and electrode
and check them all. If the electrode or
cutting tip is worn out, replace them.
If the start cartridge does not move
freely, replace it. If there is too much
spatter on shield cup, replace it.
29
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