Filter
Top Products
1. Perform the Gas Solenoid
Test.
2. The control board may be
faulty.
1. The control board may be
faulty.
2. The control cable between the
power source and the LN-10
may be defective.
1. Perform the Tach Adjustment
and Feedback Test.
2. The control board may be
faulty.
1. Check for continuity between
the pins of the Amphenol con-
nector on the left side of the
bottom of the control box and
the plug that goes into Molex
connector J4 on the control P.C.
board. See The Wiring
Diagram.
2. The control board may be
faulty.
F-13
TROUBLESHOOTING AND REPAIR
F-13
LN-10
Observe all Safety Guidelines detailed throughout this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
When the gun trigger is activated
the wire feeds and arc voltage is
present but gas does not flow.
The preset arc voltage does not
match the actual voltage.
The preset WFS does not match
the actual WFS.
The K1449-1 remote control is not
functioning when the Procedure
LED is in the REMOTE position.
1. Make sure the gas supply is
adequate and connected cor-
rectly to the LN-10.
1. Make sure the power source is
set for remote voltage control.
2. Make sure the DIP switches on
the LN-10 control board are set
correctly for the power source
being used.
1. Check the wiring and connec-
tions between the tachometer
and the control board. See the
Wiring Diagram.
2. Make sure the DIP switches on
the LN-10 control board are set
correctly.
1. Make certain the K1449-1 is con-
nected properly to the LN-10.
2. The K1449-1 remote control may
be faulty.
FUNCTION PROBLEMS (Continued)
CAUTION
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 1-800-833-9353.
-----------------------------------------------------------------------------------------------------------------------------
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC