Lincoln Electric POWER FEED 10M SINGLE/DUAL SVM172-A - Manual (Page 113)

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POWER FEED 10M SINGLE/DUAL
TROUBLESHOOTING & REPAIR
F-9 F-9
PROBLEMS
(SYMPTOMS) POSSIBLE AREAS OF
MISADJUSTMENT(S) RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS (Continued)
When the gun trigger is activated,
the drive rolls do not turn. The arc
voltage is present and the solenoid
is energized. The STATUS LEDs
are steady green. 1. Check plug J83 on the wire
drive control board, and leads
#550 and #551 for loose or
faulty conections. See wiring
diagram.
1. Perform the Drive Motor Test.
2. The feedhead control board may
be faulty.
The wire is feeding rough or not
feeding, but the drive rolls are turn-
ing. 1. The drive roll pressure may be
incorrect. Set drive roll pres-
sure. See Operation section of
this manual.
2. Check for dirty or rusty electrode
wire.
3. Make sure the drive rolls and
wire guides are positioned and
installed correctly. See
Operation section of this manu-
al.
4. Check for mechanical restric-
tions in the wire feeding path.
1. Contact the Lincoln Electric
Service Department at
1.888.935.3877
When in CC modes with the
optional “MX” or “MXP” panels, the
otput does not energize. 1. Rotate Volts/Trim encoder knob
at least 45 degrees clockwise.
This is normal. See
Accessories section for detailed
operation.
1. Check option panel installation
for loose of faulty connections.
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.
POWERFEED 10M
Observe Safety Guidelines detailed in the beginning of this manual.