Lincoln Electric IM588 PCT80, PCT80M & PCT80R Plasma Torches - Manual (Page 17)

D-3 TROUBLESHOOTING D-3
PLASMA TORCH
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local
Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
FUNCTION PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE CAUSE
RECOMMENDED
COURSE OF ACTION
The “Safety” LED is lit
h. Torch head damaged
i. Pro-Cut inoperative
a. Reset button needs to be
pressed.
b. Consumables are missing
c. Consumable are worn.
d. Torch misconnected
e. Cable damaged
h. Replace torch head and elec-
trode solenoid assembly.
i. Refer to the troubleshooting
guide for the Pro-Cut.
a. After changing consumables the
reset button must be pressed.
b. Make sure an electrode, swirl
ring, nozzle and shield cup are
all properly assembled on the
torch. Always tighten the shield
cup firmly.
c. Replace both electrode and noz-
zle when they appear to be
excessively worn.
d. Make sure the torch is properly
connected to the front of the
Pro-Cut.
e. Examine the cable for cuts or
punctures. Make sure there is
continuity from the nozzle at the
torch head to pins 7 & 8 at the
quick connect. Make sure there
is continuity from the electrode at
the torch head to the gas fitting at
the quick connect. Make sure
there is no blockage of airflow in
the cable. Make sure there is
continuity between pins 1 & 9 at
the quick connect while the trig-
ger is pulled. Replace any dam-
aged cable.