E-7

TROUBLESHOOTING

E-7

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

The K1449-1 remote control is not

1.

The remote control Amphenol

 

functioning when the Procedure

 

connection is not securely

 

LED is in the REMOTE position.

 

attached.

 

 

2.

Faulty wiring from the Amphenol

 

 

 

connector to the control p.c.

 

 

 

board.

 

 

3.

Damaged remote control.

 

 

4.

Damaged control p.c. board.

 

 

 

 

 

 

Dual procedure switch is not func-

1.

Machine and remote control not

 

tioning at the gun.

 

properly set for using a dual pro-

 

 

 

cedure switch at the gun

 

 

2.

Disconnected or damaged wiring

 

 

 

between the wire drive and con-

 

 

 

trol box.

 

 

3.

Damaged wiring in the LN-10 wire

 

 

 

drive.

 

 

 

 

 

If all recommended possible areas

 

4.

Damaged wiring in the LN-10 con-

of misadjustment have been

 

 

trol box.

checked and the problem persists,

 

 

 

 

Contact your local Lincoln

 

5.

Damaged control p.c. board.

Authorized Field Service Facility.

 

 

 

 

 

Wire feed speed is consistent and

1.

DIP switch S1 is incorrectly set for

 

adjustable, but operates at the

 

the wrong wire drive or gear ratio.

 

wrong speed.

 

 

 

 

 

2.

Damaged control p.c. board.

 

 

 

 

 

 

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.

LN-10

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Lincoln Electric LN-10 manual Troubleshooting