Lincoln Electric IM901-A manual PRObLEMS, Symptoms, POSSIbLE, Cause Recommended Course of Action

Models: IM901-A

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E-2

TROUbLESHOOTING

E-2

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Digital Display Models Error Codes

 

Fault Code

Description

 

Possible Adjustments

Err 81

Motor overload, long term.

1. The wire drive motor has over-

1.

Check that the electrode slides

 

 

heated.

 

easily through the gun and cable.

 

 

 

2.

Remove tight bends from the gun

 

 

 

 

and cable.

 

 

 

3.

Check that the spindle brake is

 

 

 

 

not too tight.

 

 

 

4.

Verify a high quality electrode is

 

 

 

 

being used.

 

 

 

5.

Wait for the error to reset and the

 

 

 

 

motor to cool (approximately 1

 

 

 

 

minute).

 

 

 

 

 

Err 82

Motor overload, short term.

1. The wire drive motor current draw

1.

Check that motor can turn freely

 

 

has exceeded limits, usually

 

when idle arm is open.

 

 

because the motor is in a locked

2.

Verify that the gears are free of

 

 

rotor state.

 

debris and dirt.

 

 

 

 

 

 

 

 

 

 

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-25™ PRO ACROSS THE ARC MODEL

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Lincoln Electric IM901-A manual PRObLEMS, Symptoms, POSSIbLE, Cause Recommended Course of Action