Lincoln Electric IM946 CRUISER Digital Tractor - Manual (Page 109)

Cruiser™ Tractor
TROUBLESHOOTING AND MAINTENANCE
11-2 11-2
Output Problems
Problems (Symptoms)
Possible Areas of
Misadjustment(s)
Recommended Course of Action
Frequency and balance do
not appear on the display.
1. A DC waveform has been
selected.
1. Switch to square wave or sine
wave mode.
The wire feeder does not
feed wire, and drive rolls do
not spin.
1. Verify the power source is
turned on.
2. Verify the circuit breaker for
the wire feeder power on the
power source has not
tripped.
3. Verify power is being
supplied to the wire feeder.
4. Verify the cable to the wire
drive is connected to the
base of the Cruiser™
tractor.
5. Inspect the brushes on the
wire drive motor.
1. Turn on the welding power source.
2. Reset the breaker. If the breaker
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breaker tripping.
3. Ensure the Cruiser™ tractor cable
connects to a power source that is
turned ON.
4. Connect the wire drive cable if
disconnected.
5. Replace the brushes if less than
1/4 inch long.
The wire feeds erratically, or
a motor overload error
occurs.
1. Verify the correct drive rolls
and guides are installed in
the wire drive.
2. Check for sharp bends in the
wire path.
3. Examine the contact tip for
wear and proper size.
4. The pressure arm setting is
too high.
5. Verify the coil of wire rotates
with no more than moderate
resistance.
6. Inspect the brushes on the
wire drive motor.
1. Replace the drive rolls and guides
if necessary.
2. Route the wire path to eliminate
sharp bends.
3. Replace the contact tip if worn.
4. Reduce pressure on the pressure
arm.
5. Reduce the spindle brake friction.
6. Replace the wire drive motor
brushes.
The wire drive feeds wire in
the wrong direction.
1. P19 parameter is set wrong.
1. Change parameter P19 in the
setup menu.
The wire feed system is
consistently wrong but not
the maximum value. When
the inch speed is adjusted,
the wire feed system
changes.
1. Verify that parameter P18
and gear ratio installed in
the wire drive match. The
Cruiser™ tractor ships with
142:1 gears.
1. Change P18 in the setup menu to
match the gear ratio installed in
the wire drive.