Lincoln Electric WELDMARK 135 PLUS IM789 - Manual (Page 29)

E-2 E-2 TROUBLESHOOTING
Observe Safety Guidelines
detailed in the beginning of this manual.
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.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
Contact your LOCAL 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.
3. Make sure circuit breaker is reset.
Contact your LOCAL 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 located
in the machine ’ s wire drive com-
partment. 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 problem.
4. Gun trigger may be faulty.
RECOMMENDED
COURSE OF ACTION
Contact your local Authorized Field
Service Facility.
OUTPUT PROBLEMS
If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your
LOCAL AUTHORIZED FIELD SERVICE FACILITY for assistance before you proceed.
CAUTION
WELDMARK 135 PLUS