Lincoln Electric IM803-B - page 22

ES 275i

E-5

TROUBLESHOOTING

E-5

Observe all Safety Guidelines detailed throughout this manual

OUTPUT PROBLEMS

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

No output - Main input fuses open,

indicating excessive current draw.

The machine operates normally

when connected for 200 - 230VAC

input. There is no output when the

machine is connected to 380VAC or

higher.

1. Inspect input leads for possible

shorts or grounds or mis-connec-

tions.

2. Install new fuses and reapply

power. If fuses open again, con-

sult a Authorized Field Service

Facility.

1. Check the input voltage and input

voltage reconnect procedures.

See Installation Section of this

manual.

If all recommended possible areas of

misadjustment have been checked

and the problem persists, Contact

your local Authorized Field Service

Facility.

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.

CAUTION

Contents

Main RED-D-ARC ES 275i IM803-B 1-800-245-3660 North Americas Largest Fleet of Welding Equipment Red-D-Arc Spec-Built Welding Equipment FOR ENGINE powered equipment. i Mar 95 ELECTRIC AND MAGNETIC FIELDS may be dangerous ii ARC RAYS can burn. ELECTRIC SHOCK can kill. FUMES AND GASES can be dangerous. FOR ELECTRICALLY powered equipment. CYLINDER may explode if damaged. iii Mar 95 WELDING SPARKS can cause fire or explosion. PRCAUTIONS DE SRET PRCAUTIONS DE SRET POUR LES MACHINES SOUDER TRANSFORMATEUR ET REDRESSEUR vv Thank You Please Examine Carton and Equipment For Damage Immediately On-Line Product Registration vi vi TABLE OF CONTENTS A-1 THREE PHASE SINGLE PHASE PHYSICAL DIMENSIONS RECOMMENDED MINIMUM INPUT WIRE AND FUSE SIZES Technical Specifications - ES 275i INPUT AT RATED OUTPUT - THREE PHASE ONLY INPUT AT RATED OUTPUT - SINGLE PHASE ONLY OUTPUT (THREE AND SINGLE PHASE) TEMPERATURE RANGES SAFETY PRECAUTIONS ELECTRIC SHOCK SELECT SUITABLE LOCATION STACKING TILTING 'A' VOLTAGE=380-575V VOLTAGE=208-230V 3. POSITION SWITCH TO DESIRED INPUT VOLTAGE RANGE. OUTPUT CABLES INPUT VOLTAGE RANGE. GENERAL DESCRIPTION OPERATIONALFEATURES WELDING CAPABILITY LIMITATIONS SAFETY PRECAUTIONS CONTROLS AND SETTINGS B-3 B-3 7. OUTPUT TERMINALS 8. THERMAL SHUTDOWN INDICATOR 9. 3-PIN REMOTE RECEPTACLE CONSTANT CURRENT PROCESSES STICK WELDING* AIR CARBON ARC CUTTING* TIG WELDING* PARALLEL OPERATION OVERLOAD PROTECTION THERMAL PROTECTION FAN POWER-UP SEQUENCE D-1 INPUT FILTER CAPACITOR DISCHARGE PROCEDURE ELECTRIC SHOCK D-2 ROUTINE MAINTENANCE D-3 FIGURE D.2 LOCATION OF MAINTENANCE COMPONENTS. E-1 HOW TO USE TROUBLESHOOTING GUIDE E-2 TROUBLESHOOTING & REPAIR E-2 _______________________________ PC BOARD TROUBLESHOOTING PROCEDURES E-3 OUTPUT PROBLEMS PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Page Page Page E-7 WELDING PROBLEMS PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION WIRING DIAGRAM - RED-D-ARC ES275i COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER. THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT. WIRING DIAGRAM - RED-D-ARC ES275i COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER. THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT. WIRING DIAGRAM - RED-D-ARC ES275i COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER. THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT. DIAGRAMS DIMENSION PRINT O L11981 F-4 AVISO DE PRECAUCION ATTENTION WARNUNG ATENO AVISO DE PRECAUCION ATTENTION WARNUNG ATENO