Lincoln Electric INVERTEC SVM158-A User Manual
Invertec v350-pro, Svm158-a, Service manual
SVM158-A
April, 2002
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 numbers 10873, 10874, 10876
INVERTEC V350-PRO
WA
RNING
W
ARNING
AVISO DE
PRECA
UCION
ATTENTION
!
!
!
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W
ARNING
REMO
TE
PO
WER
OFF
ON
A
AMPS
A
V
VOL
TS
WELD
TERMINALS
SELECT
OUTPUT
HO
T ST
AR
T
ARC CONTR
OL
-4
+4
+2
-2
0
-6
+6
-10
SOFT
CRISP
+10
-8
+8
5
4
3
2
1
0
6
10
9
8
7
SELECT
CC-STICK 7018
CC-STICK 6010
TIG GT
AW
CV
-WIRE
CV
-FLUX CORED
• 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.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
Copyright © 2002 Lincoln Global Inc.
RETURN TO MAIN INDEX
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 and Repair
- Symptoms
- Major physical or electrical damage is evident when the sheet metal cover is removed.
- The machine is dead—no output— no displays.
- The main input fuses (or breaker) repeatedly fail.
- The V350-Pro does not have welding output. The displays are lit.
- The V350-Pro will not produce full output.
- The machine regularly overheats and the yellow thermal light is ON indicating a thermal overload.
- An attached wire feeder will not function correctly.
- The machine’s welding output is very high and uncontrollable.
- The Weld Mode Select does not function properly.
- The output control and/or Weld Terminals Select functions do not operate properly.
- The display is not functioning properly.
- A fault or error code is displayed.
- For no apparent reason the welding characteristics have change.
- Section G - Electrical Diagrams