Lincoln Electric IM753 RANGER 9 - Manual (Page 32)

E-5 TROUBLESHOOTING E-5
RANGER 9
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
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
1. Welding terminal switch in wrong
position.
2. Faulty wiring in contactor circuit.
3. Faulty remote switch.
4. Faulty contactor.
5. Faulty P.C. Board PCB1.
1. “WELDING TERMINALS” switch
in wrong position.
2. Faulty wiring in contactor circuit.
3. Faulty amphenol or bypass P.C.
Board PCB2.
4. Faulty contactor.
5. Faulty P>C> Board PCB1.
6. Faulty control cable from wire
feeder or amphenol.
7. Faulty wire feeder.
1. Faulty wiring.
2. Faulty amphenol or bypass
P.C. Board PCB2.
3. Faulty contactor.
4. Faulty P.C. Board PCB1.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.
Contactor does not pull in when
scratch starting when engine goes to
high idle.
Contactor does not pull in when
using a wire feeder with a control
cable plugged in to amphenol.
Contactor does not drop out.