Lincoln Electric RANGER 305G EFI Service Manual page 15

LINCOLN ELECTRIC
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the
Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
inductance in the weld circuit.
Try welding after uncoiling the
cables or disconnect the
existing weld cables and attach
a set of adequately sized, short
test cables.
Ranger® 305G EFI Service Manual
defective or grounded. The
mode switch may also be
faulty. Perform the Control
Potentiometer and Mode
Switch Resistance Test
Procedure.
7. The Amphenol receptacles
may be contaminated or
defective. Perform the Remote
Receptacle Resistance Test
Procedure.
8. Replace the weld control
board.
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