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TROUbLESHOOTING

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INVERTEC®  100S

If  for  any  reason  you  do  not  understand  the  test  procedures  or  are  unable  to  perform  the  tests/repairs  safely,  contact  your

Local  Authorized Field Service Facility

for technical troubleshooting assistance before you proceed.

CAUTION

This  Troubleshooting  Guide  is  provided  to  help  you
locate  and  repair  possible  machine  malfunctions.
Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM).

Look  under  the  column  labeled  “PROBLEM  (SYMP-
TOMS)”.    This  column  describes  possible  symptoms
that  the  machine  may  exhibit.    Find  the  listing  that
best  describes  the  symptom  that  the  machine  is
exhibiting. 

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists
the  obvious  external  possibilities  that  may  contribute
to the machine symptom.  

Step 3. RECOMMENDED COURSE OF ACTION

This  column  provides  a  course  of  action  for  the
Possible  Cause,  generally  it  states  to  contact  your
local Authorized Field Service Facility.

If you do not understand or are unable to perform the
Recommended  Course  of Action  safely,  contact  your
local Authorized Field Service Facility.

HOW TO USE TROUbLESHOOTING GUIDE

Service  and  Repair  should  only  be  performed  by  Factory Trained  Personnel.    Unauthorized  repairs
performed  on  this  equipment  may  result  in  danger  to  the  technician  and  machine  operator  and  will
invalidate  your  factory  warranty.    For  your  safety  and  to  avoid  Electrical  Shock,  please  observe  all
safety notes and precautions detailed throughout this manual.

__________________________________________________________________________

WARNING

Summary of Contents for INVERTEC 100S

Page 1: ...9 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind However your overal...

Page 2: ...KER WEARERS SHOULD CONSULT WITH THEIR DOCTOR bEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy...

Page 3: ...cooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welder...

Page 4: ...s to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to preven...

Page 5: ...opri s et non inflammables 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pa...

Page 6: ...he situation with the technical assistance of the manufacturer In some cases this remedial action may be as simple as earthing grounding the welding circuit see Note In other cases it could involve co...

Page 7: ...s Welding Cables The welding cables should be kept as short as possible and should be positioned close together running at or close to floor level Equipotential Bonding Bonding of all metallic compone...

Page 8: ..._______________________ Date Purchased___________________________________________________________________________ Where Purchased_______________________________________________________________________...

Page 9: ...B 2 Making the Weld B 3 B 4 ________________________________________________________________________ Accessories Section C Optional Accessories and Compatible Equipment C 1 Factory Field Installed C...

Page 10: ...SIONS TEMPERATURE RANGES OPERATING TEMPERATURE RANGE 10 C to 40 C STORAGE TEMPERATURE RANGE 25 C to 55 C RECOMMENDED INPUT WIRE AND FUSE SIzES FOR MAXIMUM RATED OUTPUT INPUT VOLTAGE FREQUENCY Hz 120 6...

Page 11: ...ay result in injury or equipment damage Read the section on electromagnetic compatibility in this manual Do not operate in areas with an ambient tempera ture greater than 40 C STACKING The INVERTEC 10...

Page 12: ...RTEC 100S A 3 120V INPUT The rated output of the Invertec 100S is available when connected to a 20A branch circuit When con nected to a branch circuit with lower ampacity lower welding current and dut...

Page 13: ...exhaust to remove fumes from breathing zone ARC RAYS can burn Wear eye ear and body protection WELDING CUTTING and GOUGING SPARKS can cause fire or explosion Keep flammable material away Do not weld c...

Page 14: ...is established in this gap and is held and moved along the joint to be welded melting the metal as it is moved ELECTRIC ARC See Figure B 4 Action that takes place in the electric arc FIGURE b 4 CONTR...

Page 15: ...well as hot and cannot be looked at with the naked eye without risking painful injury A very dark lens specifically designed for arc welding must be used with a hand or face shield whenever viewing th...

Page 16: ...way of an electric arc Unlike stick welding in which the electrode is consumed in the arc the tung sten electrode is not consumed Instead filler metal is added to the weld by manually dipping a filler...

Page 17: ...82 11 25 0 Ft 1 Piece Cable K1782 13 12 5 Ft 1 Piece Ultra Flex Cable K960 2 TIG Torch Adapter for connection of PTA 17V torches 1 piece cable to power sources without gas passing through the Twist Ma...

Page 18: ...can be serviced Discharging is done automatically by the machine each time the power is switched off However you must allow the machine to sit for at least 5 minutes to allow time for the process to...

Page 19: ...beled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Ca...

Page 20: ...gh progression speed 2 Welding current too low 3 Narrow chamfering 1 Arc too short 2 Current too low 1 Humidity in electrode 2 Long arc 1 Current too high 2 Dirty materials 3 Hydrogen in weld present...

Page 21: ...OF ACTION Oxidation Tungsten inclusions Porosity Hot cracking 1 lnsufficient gas 2 No protection on the back side 1 lncorrect electrode sharpening 2 Electrode too small 3 Operating failure contact of...

Page 22: ...nit has been operated beyond its capacity rating 2 Airflow through machine is restrict ed or fan has failed 1 Check the output current poten tiometer and replace it if neces sary 2 Verify output cable...

Page 23: ...may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write to...

Page 24: ...RBEITGEBERS l Do not touch electrically live parts or electrode with skin or wet clothing l Insulate yourself from work and ground l No toque las partes o los elec trodos bajo carga con la piel o ropa...

Page 25: ...nes de travail l Vermeiden Sie das Einatmen von Schweibrauch l Sorgen Sie f r gute Be und Entl ftung des Arbeitsplatzes l Mantenha seu rosto da fuma a l Turn power off before servic ing l Desconectar...

Page 26: ...s Leader in Welding and Cutting Products Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectr...

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