Lincoln Electric INVERTEC SVM199-A User Manual
Invertec, V450-pro, Svm199-a
SVM199-A
July, 2010
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However,
your overall safety can be
increased by proper installation
. . . and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READ-
ING THIS MANUAL AND THE
SAFETY PRECAUTIONS CON-
TAINED THROUGHOUT.
And,
most importantly, think before you
act and be careful.
SERVICE MANUAL
For use with machine code number: 11212
INVERTEC
®
V450-PRO
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 888.935.3877 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
Copyright © Lincoln Global Inc.
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Document Outline
- Master Table of Contents
- Safety
- Section A - Installation
- Section B - Operation
- Section C - Accessories
- Section D - Maintenance
- Section E - Theory of Operation
- Section F - Troubleshooting & Repair
- Symptoms
- Major physical or electrical damage is evident when the sheet metal covers are removed.
- The input fuses repeatedly fail orthe input circuit breakers keep tripping.
- The input fuses fail or input breakers trip after the CR-1 contactor closes
- The machine is dead - - no lights- - no output - - the machine appears to have no power.
- The Auxiliary Receptacle is “dead”. No 120VAC present.
- The INVERTEC® V450-PRO does not have welding output. The main input contactor (CR1) is not activating.
- Thermal light is ON. The machine regularly “overheats.”
- General degradation of weld performance.
- Machine shuts down during a weld.
- Section G - Electrical Diagrams