Lincoln-electric LN-10 User Manual download pdf (Page 39)

TROUBLESHOOTING

LN-10

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

CAUSE

RECOMMENDED

COURSE OF ACTION

ʻErʼ is displayed on power up.

ʻGLPʼ is displayed.

After pressing the trigger, wire

feeds for a couple seconds, but

stops. The voltage display reads

less than 8.0 volts while the wire is

feeding.

The knobs do not control the com-

plete range of wire feed speed or

voltage.

Gas solenoid not operating properly

or intermittent.

1. EEPROM error detected.

2. Damaged control p.c. board.

1. Ground Loop Protection fault

occurred

2. GLP reed switch failure.

3. Damaged control p.c. board.

1. Power source work & electrode

sense lead polarity switch or

jumper is not correctly set.

2. Damaged wiring between the con-

trol p.c. board and the work and

electrode connections.

3. Damaged control p.c. board

1. Limits are set for wire feed speed

or voltage.

2. DIP switch S1 is incorrectly set for

the wrong wire drive or gear ratio.

3. Improper power source selection

on the control p.c. board.

1. Inlet gas pressure exceeding 80

psi(5.5 bar). Verify that gas pres-

sure regulator is operating proper-

ly.

E-8E-8

If all recommended possible areas

of misadjustment have been

checked and the problem persists,

Contact your local Lincoln

Authorized Field Service Facility.

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Lincoln-electric LN-10 User Manual Page 39

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