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OUTPUT PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
Call 1-888-935-3877.
CAUTION
Major physical or electrical
damage is evident.
1. Contact your local Lincoln
Electric authorized field service
facility.
1. Contact Lincoln Electric Service
Department 1-888-935-3877.
The machine is dead--no open
circuit voltage and no wire feed
when the gun trigger is activated.
The cooling fan is not running.
1. Make certain the input power
switch (S1) is in the “ON”
position.
2. Check the input voltage at the
machine. The input voltage
must match the rating plate and
the reconnect panel.
3. Check for blown or missing
fuses in the input lines.
1. Check the input power switch
(S1). It may be faulty.
2. Check for broken or missing
wires at the reconnect panel.
3. Perform the Main Transformer
Test.
There is no open circuit voltage or
wire feed when the gun trigger is
activated. The cooling fan is
running.
1. Make sure the input voltage is
correct and matches the
nameplate rating and reconnect
panel configuration.
2. One of the two thermostats may
be open due to machine
overheating. If the machine
operates normally after a
cooling off period then check for
proper fan operation and
ventilation. Make certain the
machine’s duty cycle is not
being exceeded.
1. The baffle mounted rectifier
bridge may be faulty. Check
and replace if necessary.
2. Perform the Main Transformer
Test.
3. Check the thermostats and
associated leads for loose or
faulty connections. See the
Wiring Diagram.
4. The internal triggering
circuit/plugs may be faulty. See
the Wiring Diagram.
5. The control board may be faulty.
TROUBLESHOOTING AND REPAIR
F-4 F-4
Power MIG® 215XT
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