E-5

TROUBLESHOOTING

E-5

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENT (S)

RECOMMENDED

COURSE OF ACTION

No welding power output.

1.

Poor work lead connection to

 

 

 

 

 

work. Make sure work clamp is

 

 

 

 

 

tightly connected to clean base

 

 

 

 

 

metal.

 

 

 

 

2.

"Weld Terminals" switch in wrong

 

 

 

 

 

position. Place switch in "Weld

 

 

 

 

 

Terminals On" position when

 

 

 

 

 

welding without control cable.

 

 

 

 

3.

Faulty PC board or welder alterna-

 

 

 

 

 

tor.

 

 

 

 

 

 

 

 

 

Welder has output but no control.

1.

Poor remote/control cable connec-

 

 

 

 

 

tion to 6-pin or 14-pin connector.

 

 

 

 

 

Check connections.

 

 

 

 

2.

Faulty remote cable or faulty wire

 

 

 

 

 

feeder or wire feeder cable.

 

 

 

 

 

Replace if necessary.

 

 

 

 

3.

Faulty control potentiometer or PC

 

 

 

 

 

board.

 

 

 

 

 

 

 

If all recommended possible

areas

Wire feeder does not work when

1.

Wire Feeder Power circuit breaker

of misadjustment have

been

control cable is connected to 14 pin

 

open. Check 42V and 120V

checked and the problem persists,

connector.

 

beakers and reset if tripped.

Contact your local Lincoln

 

 

2.

Faulty control cable. Repair or

Authorized Field Service Facility.

 

 

 

replace cable.

 

 

 

 

3.

Faulty wire feeder. Replace wire

 

 

 

 

 

feeder.

 

 

 

No auxiliary power.

1.

Open circuit breakers. Reset

 

 

 

 

 

breakers. If breakers keep trip-

 

 

 

 

 

ping, reduce power draw.

 

 

 

 

2.

Faulty connections to auxiliary

 

 

 

 

 

receptacles. Check connections.

 

 

 

 

3.

GFCI tripped (if installed). Clear

 

 

 

 

 

any ground fault and reset GFCI

 

 

 

 

 

circuit by pressing "Reset" button

 

 

 

 

 

on the 120 V receptacle.

 

 

 

 

4.

Faulty PC board or welder alterna-

 

 

 

 

 

tor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

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.

RANGER 305D

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Lincoln Electric IM730 manual Faulty control cable. Repair or