E-6
TROUBLESHOOTING
E-6
POWER MIG 300
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
Fault Codes
Code Description Misadjustment(s)
Corrective Action
39
Glitch on the primary over
Check the machine ground.
Self-clearing as
current fault interrupt; possibly
If problem persists contact an
condition ceases.
caused by noise or a signal level
authorized Lincoln Field Service
(misc. hardware fault #1)
Shop.
44
Main CPU problem. The DSP
Check the machine ground.
has detected a problem with the CPU.
47
Glitch on the CAP/heart beat
If problem persists contact an
interrupt; possibly caused by
authorized Shop.
noise or a signal level right at
the trip threshold.
(misc. hardware fault #2)
81
Motor overload-average motor
Verify motor armature is not
current exceeded 8.00 amps for
binding. Verify Wire Spool
more than 0.50 seconds
is not binding.
82
Motor overcurrent-average motor
Verify wire can move freely in
current exceeded 3.50 amps for
cable. Verify Spool Brake is not
more than 10.0 seconds
set to tight.
Displays
Description
Scrolling dash
Appears at power up while the machine is going through its self configu-
ration
"Err" "####"
Fault code display. The first fault to occur will be displayed for three
seconds. The display will cycle through fault codes for all faults that
persist after the initial three-second period are displayed for 1 sec-
ond each.
"----" "----"
Weld mode is changing
"####" "####"(on steady) Machine output is on. Left display is current, right display is voltage.
If actively welding, the displays are arc current and arc voltage. If
not actively welding, the display will show work point.
"####" "####" (blinking)
Weld just finished
–
the average arc voltage and current will be
blinked for 5 seconds following a weld. If the work point changes
during this 5 second period, the display will revert to the above
mode.
Summary of Contents for POWER MIG 300
Page 43: ...DIMENSION PRINT F 5 POWER MIG 300 F 5 3 00F M19231 ...
Page 44: ...NOTES POWER MIG 300 ...
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