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B-4
LN™-15 POWER-UP SEQUENCE
NORMAL POWER-UP DISPLAY
When power is first applied to the LN™-15, the dis-
play will momentarily show set-up information. For
example, it may show "CV" and "HI", indicating oper-
ation from a CV power source and the wire drive is
configured for the high speed gear. Because of limita-
tions in the display, "CV" will appear as "Cu".
After a brief moment, the LN™-15 will then display the
WFS and "---". No voltage is displayed until the trigger
is pressed.
PREFLOW, POSTFLOW AND BURNBACK TIMES
Preflow, Postflow and Burnback times are all
adjustable on the LN™-15. The LN™-15 is factory set
with all the times set to 0.0 seconds.
• The burnback time is adjustable from 0.00 to 0.25
seconds.
• The preflow time is adjustable from 0.0 to 25.0 sec-
onds.
• The postflow time is adjustable from 0.0 to 25.0 sec-
onds.
CHANGING PREFLOW, POSTFLOW OR BURNBACK TIMES:
1. Enter the "Press Spin" Set-Up Mode:
While the power to the LN™-15 is off, activate and
hold the GAS PURGE switch (Down Position).
Turn on power to the LN™-15, and continue to
hold the GAS PURGE switch until the LN™-15 dis-
plays "Press Spin". Release the GAS PURGE
switch. The LN™-15 is now in the "Press Spin" set-
up mode. If after 15 seconds no other action is
taken, the LN™-15 will then revert to normal oper-
ation.
2. Rotate the WFS knob until the desired timer is dis-
played.
OPERATION
COLD
FEED
GAS PURGE
LN™-15 ACROSS THE ARC MODEL & (CE)
Preflow:
Postflow:
Burnback:
3. Activate and then release the GAS PURGE switch
to select the timer. The time will then display in the
right hand side of the display. Example:
4. Rotate the WFS knob to adjust the time to the new
setting.
WFS
5. Press the GAS PURGE switch again to save the
setting. The LN™-15 will then return to the original
"Press Spin" mode in step 1.
6. To exit the "Press Spin" set-up mode, turn off power
to the LN™-15, or simply wait 15 seconds and the
LN™-15 will enter normal operation.
WELDING MODE CV/CC MODE AND WFS UNITS
The CV/CC mode and WFS units are all readily
changed during the power-up sequence. The LN™-15
is factory set for "CV" welding power sources and
"inches per minute" for the wire feed speed units.
• The CV/CC mode is selectable for either CV for
Constant Voltage power sources and CC for
Constant Current power sources. Use CV power
sources when making critical welds.
• The WFS units is selectable for either in/min and
m/min.
CHANGING THE CV/CC MODE, OR WFS UNITS:
1. Enter the "Press Spin" Set-Up Mode:
While the power to the LN™-15 is off, activate and
hold the GAS PURGE switch (Down Position). Turn
on power to the LN™-15, and continue to hold the
GAS PURGE switch until the LN™-15 displays
"Press spin". Release the GAS PURGE switch.
The LN™-15 is now in the "Press Spin" set-up
mode. If after 15 seconds no other action is taken,
the LN™-15 will then revert to normal operation.
B-4
COLD
FEED
GAS PURGE
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