Lincoln Electric ES 275I specifications Welding PRObLEMS

Models: ES 275I

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E-7

 

TROubLEShOOTING

E-7

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PRObLEMS

POSSIbLE

RECOMMENDED

 

 

(SYMPTOMS)

CAuSE

COuRSE OF ACTION

 

 

 

 

 

 

WELDING PRObLEMS

Poor welding, weld settings drift, or

1.

Make sure the machine settings

output power is low.

 

are correct for the weld process

 

 

being used.

 

2.

Check machine performance on

 

 

LOCAL control. If OK then the

 

 

remote control device may be

 

 

faulty. Check or replace.

 

3.

Check the input voltages and

 

 

input voltage reconnect

 

 

procedures. See Installation

 

 

Section of this manual.

 

4.

Check for loose or faulty welding

 

 

cables.

 

 

 

Poor stick electrode welding

1.

Check for loose or faulty welding

performance. The arc pops out.

 

cables.

 

2.

Is the electrode DRY? Try weld-

 

 

ing with another electrode from a

 

 

different container. Make sure

 

 

you have the correct electrode for

 

 

the application.

 

3.

Make sure the machine settings

 

 

are correct for the weld process

 

 

being used.

 

 

The thermal light and fan keep turn-

1. Check the input voltage section.

ing on and off.

 

 

 

2. Check for blockage of vents,

 

 

which restricts air flow into or out

 

 

of the machine.

 

 

 

If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local 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, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed.

ES 275i

Page 24
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Lincoln Electric ES 275I specifications Welding PRObLEMS