Lincoln Electric LN-25 PRO IM901-A - Manual (Page 35)

E-2 TROUbLESHOOTING E-2
LN-25™ PRO ACROSS THE ARC MODEL
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PRObLEMS
(SYMPTOMS)
POSSIbLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Fault Code
Err 81 Motor overload, long term.
Err 82 Motor overload, short term.
Description
1. The wire drive motor has over-
heated.
1. The wire drive motor current draw
has exceeded limits, usually
because the motor is in a locked
rotor state.
Possible Adjustments
1. Check that the electrode slides
easily through the gun and cable.
2. Remove tight bends from the gun
and cable.
3. Check that the spindle brake is
not too tight.
4. Verify a high quality electrode is
being used.
5. Wait for the error to reset and the
motor to cool (approximately 1
minute).
1. Check that motor can turn freely
when idle arm is open.
2. Verify that the gears are free of
debris and dirt.
Digital Display Models Error Codes