Lincoln Electric IM660 RANGER 200 - Manual (Page 30)

E-4 TROUBLESHOOTING E-4
RANGER 200
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 tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
No welding power output. Thermal
shutdown light is on.
No welding power output. Thermal
shutdown light is NOT on.
Welder has output but no control.
No auxiliary power.
1. Airflow is blocked or restricted.
2. Welding current exceeding
machine rating.
1. Remove restriction and allow
machine to run until light goes off.
2. Use smaller electrode size or
slower wire feed speed. Allow
machine to run until light goes off.
3. Faulty PC board or welder alter-
nator.
1. Faulty control potentiometer or PC
board.
1. Open circuit breakers.
2. Faulty connections to auxiliary
receptacles.
3. GFCI tripped (if installed).
4. Faulty PC board or welder alterna-
tor.
1. Remove restriction and allow
machine to run until light goes off.
2. Use smaller electrode size or
slower wire feed speed. Allow
machine to run until light goes off.
1. Make sure work clamp is tightly
connected to clean base metal.
2. Place switch in "Weld Terminals
On" position when welding without
control cable.
3. Contact your Local Lincoln
AUTHORIZED FIELD SERVICE
FACILITY for technical trou-
bleshooting assistance.
1. Contact your Local Lincoln
AUTHORIZED FIELD SERVICE
FACILITY for technical trou-
bleshooting assistance.
1. Reset breakers. If breakers keep
tripping, reduce power draw.
2. Check connections.
3. Clear any ground fault and reset
GFCI circuit by pressing "Reset"
button on the 120 V receptacle.
4. Contact your Local Lincoln
AUTHORIZED FIELD SERVICE
FACILITY for technical trou-
bleshooting assistance.