E-3

 

 

TROUBLESHOOTING

 

 

 

E-3

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEEDING PROBLEMS

 

 

 

 

 

 

No wire feed when gun trigger is

 

1.

If the wire drive motor is running

 

 

 

 

 

 

pulled. Fan runs, gas flows and

 

 

make sure that the correct drive

 

 

 

 

 

 

machine has correct open circuit

 

 

rolls are installed in the machine.

 

 

 

 

 

 

voltage (32VDC maximum) weld

 

 

 

If all recommended possible areas

 

 

output.

 

2.

Check for clogged cable liner or

of misadjustment have been

 

 

 

 

 

 

 

contact tip.

checked and the problem persists,

 

 

 

 

 

 

3.

Check for proper size cable liner

Contact your local

Lincoln

 

 

 

 

 

 

Authorized Field

Service

 

 

 

 

 

 

 

and contact tip.

Facility.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

GAS FLOW PROBLEMS

 

 

 

 

Low or no gas flow when gun

 

1. Check gas supply, flow regulator

 

 

 

 

trigger is pulled. Wire feed, weld

 

and gas hoses.

 

 

 

 

output and fan operate normally.

 

2. Check gun connection to

 

If all recommended possible areas

 

 

 

 

 

 

 

machine for obstruction or leaky

 

of misadjustment have been

 

 

 

seals.

 

checked and the problem persists,

 

 

 

 

 

Contact your local

Lincoln

 

 

 

 

 

Authorized Field

Service

 

 

 

 

 

Facility.

 

 

 

 

 

 

 

 

 

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.

SP-135T

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Lincoln Electric IM724 manual Contact your local Lincoln Authorized Field Service, Facility