Lincoln Electric ES 275I specifications PRObLEMS POSSIbLE, Symptoms, CAuSE COuRSE of Action

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E-3

 

TROubLEShOOTING

E-3

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PRObLEMS

POSSIbLE

RECOMMENDED

 

 

(SYMPTOMS)

CAuSE

COuRSE OF ACTION

 

 

 

 

 

 

OuTPuT PRObLEMS

Major physical or electrical damage is observed when cover wrap-around is removed.

The machine is dead - no output.

1.

The input power switch must be

 

 

in the ON position.

 

 

2.

Make sure the input voltage is

 

 

correct for the machine.

 

3.

If the machine is set for single-

 

 

phase

operation,

inspect to

 

 

assure that the WHITE and

 

 

BLACK leads are connected

 

 

properly and the RED lead is not

 

 

connected and is insulated.

 

4.

Check that the input voltage set-

 

 

up switch and jumper “A” (the

 

 

reconnect auxiliary jumper) are in

 

 

the proper position for the input

 

 

voltage being applied. Refer to

 

 

Input

Voltage

Reconnect

 

 

Procedure in the Installation

 

 

Chapter.

 

 

5.

Check continuity of the 0.6-amp

 

 

slow blow fuse located on the

 

 

reconnect panel.

 

 

 

 

No output but the fan operates nor-

1.

If the machine has not been used

mally.

 

for a long time and is connected

 

 

for 380

VAC or

higher, the

 

 

capacitors may need “condition-

 

 

ing”. See Input Filter Capacitor

 

 

Conditioning.

 

 

2.

The machine may be overheated.

 

 

Check the thermal indicator light.

 

 

Wait for the machine to cool and

 

 

the thermostats to reset.

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

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Contents RED-D-ARC Safety Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiIvSAFETY PRÉCAuTIONS DE SûretéThank You TAbLE of Contents Technical Specifications ES ThREE PhASE Single PhASESafety PRECAuTIONS Select SuITAbLE LocationHIGh FREQuENCY Protection INPuT ConnectionsOuTPuT CAbLES INPuT Voltage Reconnect PROCEDuREOuTPuT Connections Limitations Operational FEATuRESWelding CAPAbILITY Full range is from -10Soft to +10Crisp LOCAL/REMOTE SWITCh PlaceMode SWITCh Constant CuRRENT Processes PIN Remote ReceptacleStick Welding TIG WeldingPOWER-uP SEQuENCE ThERMAL ProtectionINPuT Filter Capacitor DISChARGE PROCEDuRE FIGuRE D.1 Location of INPuT Filter Capacitor TerminalsROuTINE MAINTENANCE FIGuRE D.2 Location of Maintenance Components TROubLEShOOTING HOW to uSE TROubLEShOOTING GuIDEPC bOARD TROubLEShOOTING PROCEDuRES Board can be dam- aged by static electricityPRObLEMS POSSIbLE SymptomsCAuSE COuRSE of Action Input Voltage ReconnectVoltage Reconnect Procedure See Installation Section of this See Input Voltage Reconnect Procedure FacilityWelding PRObLEMS Wiring Diagram RED-D-ARC ES275i Wiring DIAGRAM- CodeG4365-4 Electrical Dimension Print L11981Page Precaucion Warnung