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POWER FEED 10M SINGLE/DUAL
TROUBLESHOOTING & REPAIR
F-8 F-8
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS (Continued)
The wire feed speed is consistent
and adjustable, but runs at the
wrong speed.
1. The DIP switch on the wire drive
unit may not be set for the cor-
rect gear ratio. See the
Installation section of this man-
ual.
1. The feed head control board may
be faulty
.
The unit shuts off while welding or
attempting to weld. The STATUS
LED is alternating between red
and green every second. The unit
tries to recover after 30 seconds
and may repeat sequence.
1. The shut down circuit in the wire
drive unit may be electrically
“open”. Make sure leads 570A
& 570B are connected together.
2. The drive motor may be over-
loaded due to a mechanical
restriction in the wire feeding
path. See Operation section of
this manual.
1. Disconnect any shutdown
device from leads #570A
and
#570B (0.25 in. insulated tab
terminals). Connect leads
#570A and #570B together. If
the feeder STATUS LED is now
steady green, the problem is in
the external shutdown circuit.
2. If there are no restrictions in the
wire feeding path, the drive
motor or gear box may be faulty.
3. The feed head control board
may be faulty.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department at 1-888-935-3877 for electrical troubleshooting assistance before
you proceed.
POWER FEED 10M
Observe Safety Guidelines detailed in the beginning of this manual.