Lincoln Electric POWER FEED 10M SINGLE/DUAL SVM172-A - Manual (Page 118)

POWER FEED 10M SINGLE/DUAL
TROUBLESHOOTING & REPAIR
F-14 F-14
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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 test/repairs safely, con-
tact the Lincoln Electric Service Department at 1-888-935-3877 for electrical troubleshooting assistance before
you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
The feeder doesn’t power up - no
display, no cold feed.
No shielding gas.
1. The Power Feed 10M Single Wire
Feeder power switch is OFF. Turn
the Power Feed 10M Single Wire
Feeder power switch ON.
2. The Power Wave power source is
OFF. Turn ON the Power Wave
power source.
3. The circuit breaker for the wire
feeder on power source have
tripped. Reset the circuit break-
ers.
4. The control cable may be loose or
damaged. Tighten, repair or
replace the control cable.
5. The power switch is damaged.
Replace the power switch.
1. The gas supply is OFF or empty.
Verify the gas supply is ON and
flowing.
2. The gas hose is cut or crushed.
Route the gas hose so it avoids
sharp corners and make sure
nothing is on top of it. Repair or
replace damaged hoses.
3. Dirt or debris is in the solenoid.
Apply filtered shop at 80psi to the
solenoid to remove dirt.
4. There is a loose solenoid connec-
tion. Remove the cover and check
that all connections are in good
condition.
5. The solenoid has failed.
1. Check for 40VDC at J81 leads
#540 and #500. If voltage is present,
replace P.C. BD. If voltage not pre-
sent, check leads from J81 on BD. to
Input 5 pin connector. Refer to
machine schematic.
1. Check for 6.5VDC with trigger
pulled at J83 leads #553 and #554. If
voltage is present replace solenoid.
If voltage is not present replace P.C.
BD. Refer to machine schematic.
OUTPUT PROBLEMS