Page
12
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16
2004058-12
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Unit does not power up
Unit is not plugged in
Plug unit in
Input power circuit breaker not on
Reset input power circuit breaker
Main power switch is defective
Replace main power switch
Control circuit board is defective
Replace control circuit board
No pilot arc
Low air supply pressure
Check air supply
Adjust gas pressure adjuster so the air
pressure display reads a minimum of 60psi
Protection indicator is on indicating the
machine is in protection mode
See protection indicator is on section below.
Missing torch head components
Replace missing torch head components.
See the INSTALLATION OF THE CUTTING
TORCH CONSUMABLES section.
Plasma torch trigger not communicating with
the unit
Pull the trigger. If the work light Is not on, the
torch Is not communicating with the
machine. Check trigger connection.
Replace or repair torch
Plasma torch may be defective
See if electrode in torch head Is spring
loaded. If it is not, the torch head has seized,
and the torch will need to be replaced. Install
an air dryer to your compressed air supply to
prevent corrosion of the torch head.
Arc start circuit defective
For assistance, contact Matco customer
service at 855-920-2399
Control circuit board is defective
Replace control circuit board
Control transformer defective
Replace control transformer
Have pilot arc but cutting arc does not ignite.
Work piece is painted or rusty
Remove all paint and rust
Ground clamp is connected where there is
paint or rust
Remove all paint and rust so ground clamp
is connected to bare metal
Ground clamp is not electrically connected to
the work piece
Make certain the ground clamp is connected
to the work piece
Protection indicator Is on
The internal temperature is too high.
Leave power on and let the fan cool the unit.
Output will continue when the unit has
cooled.
Input power voltage is too high or too low
Meter input power voltage. This unit must be
used with input voltage that ranges from
220V-240V AC (110V-130V when operating
using the 120V adapter cord).
Cooling fan is not working
Unit is not turned on
Turn on unit
Cooling fan defective
Replace the cooling fan
Control transformer defective
Replace control transformer
For Assistance, call 855-920-2399