EX-TRAFIRE
®
55SD
Operator Manual, Revision T-3
7-44
Fault
This may mean Cause
Solution
The LED3
blinks no arc
output when
the trigger
is depressed
or the CNC
start is ON�
V
• Consumables
fault�
• Consumables are
loose, improperly
installed or missing�
• Install the consumables and
fit the retaining cap�
• The retaining cap
is not installed or
tightened correctly�
• Fit the retaining cap and
correctly tighten�
• Non original
consumables�
• Use original new
consumables�
• Short circuit
inside the torch�
• Consumables are
incorrectly installed�
• Install the consumables
correctly�
• Dirt inside the
torch�
• Remove all consumables,
clean the inside of the torch�
Reassemble in correct order�
• Torch connection
fault�
• Improperly installed
torch or retaining
cup is loose�
• Install torch properly or
tighten retaining cup�
Press the torch
trigger or the
CNC signal is
ON but no gas
output�
• Gas valve or
power supply
fault�
• Cable to the gas
valve disconnected�
• Contact your distributor�
• Gas valve
malfunction�
• Contact your distributor�
• Switch or trigger
malfunctioning�
• Contact your distributor�
No arc output
but no alarm
light when
torch trigger is
depressed or
the CNC start
signal is ON�
• Torch fault�
• Incorrect type of
the torch�
• Use the correct torch type
which is suitable for the
machine�
• Torch components�
• Check torch components,
change parts if necessary�
• Input gas
pressure fault�
• Input gas pressure
is too high�
• Decrease input static
pressure to 7 bar/101 psi�
