Troubleshooting Guide - Lincoln Electric SP-135 PLUS IM725 Operator's Manual

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TROUBLESHOOTING GUIDE

PROBLEMS
(SYMPTOMS)
Major physical or electrical damage
is evident.
No wire feed, weld output or gas
flow when gun trigger is pulled. Fan
does NOT operate.
No weld output or wire feed when
gun trigger is pulled. Fan runs and
gas flows normally.
No weld output when gun trigger is
pulled. Fan runs, gas flows and
wire feeds normally.
No Wire feed, weld output or gas
flow when the gun trigger is pulled -
Fan operates normally.
If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your
LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.
TROUBLESHOOTING
POSSIBLE AREAS OF
MISADJUSTMENT(S)
OUTPUT PROBLEMS
Contact your LOCAL LINCOLN
AUTHORIZED FIELD SERVICE
FACILITY.
1. Make sure correct voltage is
applied to the machine (115
vac).
2. Make certain that power switch
is in the ON position.
Contact your LOCAL LINCOLN
AUTHORIZED FIELD SERVICE
FACILITY.
1. Arc voltage may be set too low.
2. Gun tip may be worn – Replace.
3. Check for correct input voltage
to machine.
4. Gun or work cable may be
faulty.
1. Check the circuit breaker locat-
ed in the machine's wire drive
compartment. Reset if tripped.
2. The thermostat may be tripped
due to overheating. Let machine
cool. Weld within the duty cycle
or remove any air obstruction to
machine.
3. Wire feed motor may be over-
loaded. Correct feeding prob-
lem.
4. Gun trigger may be faulty.
CAUTION
SP-135 PLUS
Observe Safety Guidelines
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
Contact your local Lincoln
Authorized Field Service Facility.
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