Lincoln Electric RANGER IM511-D Operator's Manual page 29

OUTPUT SYSTEM
TROUBLE
E. Contactor does not pull in when
scratch starting when engine
goes to high idle.
F. Contactor does not pull in when
using a wire feeder with a control
cable plugged into amphenol.
G. Contactor does not drop out.
CAUSE
1. Welding terminal switch in wrong
position.
2. Faulty wiring in contactor circuit.
3. Faulty remote switch S6.
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.
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WHAT TO DO
1. Place switch S6 in "Always On"
position.
2. Check for broken leads #224C,
#232A, and #224.
3. Check switch and leads #247,
and #250.
4. Replace contactor with known
good one.
5. Replace P.C. Board with known
good one.
1. Place switch S6 in "REMOTELY
CONTROLLED" position.
2. Check for broken leads #224,
#224C & #232A.
3. Refer to wiring diagram and
check related leads (#2 and #4).
4. Replace contactor with known
good one.
5. Replace P.C. Board with known
good one.
6. Replace.
7. Repair or replace.
1. Check that lead #232 is not
grounded.
2. Look for shorts to ground. Repair
or replace.
3. Replace with known good one.
4. Replace with known good one.