Power-Up Sequence; Wire Feed Speed/Amperage Display; Set-Up Menu - Lincoln Electric LN-25 Service Manual

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POWER-UP SEQUENCE

All of the LED's will briefly illuminate during power-up.
If the gun trigger is activated during power up, the feed-
er will not operate until the gun trigger is released.
WIRE FEED SPEED/AMPERAGE
DISPLAY
IDLE
The left display shows the preset wire feed speed. The
right display shows OCV. The wire feed speed LED is
lit.
WFS
A
WELDING
The value in the left display will be either amps or actu-
al wire feed speed, depending upon the selection cho-
sen in the set-up menu. The corresponding LED below
the display will light. Note that actual WFS may not
match preset WFS, if welding at low voltages with high
wire feed speeds. The right display shows the arc volt-
age. If the wire feeder is connected for electrode neg-
ative welding, then the voltage display shows a minus
sign.
AMPS
A
AFTER WELDING
The display continues to hold the value of the amper-
age or WFS and arc voltage for five seconds after
welding stops. The amperage or WFS and voltage dis-
plays flash.
OPERATION
A V E R T I S S E M E N T
V
VOLTAGE
A V E R T I S S E M E N T
V
LN-25™ PIPE

SET-UP MENU

PREPARATION FOR WFS CALIBRATION:
• Place the CV/CC switch in CV.
• Set the display to the desired wire feed speed (exam-
ple: 400 inches per minute).
• Measure the actual wire feed speed (example: 405
inches per minute).
• Place the WFS knob in the 12 o'clock position.
PREPARATION FOR AMPERAGE
CALIBRATION:
Connect the feeder to a power source and grid. Adjust
the power source and grid to the desired amperage.
(example: 220 Amps)
Record the amperage display on the wire feeder.
(example: 210 amps)
To enter the set-up menu, use paper clip to press the
small button located on the case front.
B-5
BUTTON