Input Switch Test Procedure - Lincoln Electric FlexCut 200 Service Manual

LINCOLN ELECTRIC

INPUT SWITCH TEST PROCEDURE

Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized
repairs performed on this equipment may result in danger to the technician or 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. If for any reason you do not understand the test
procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department
for electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
TEST DESCRIPTION
This test will determine if the Input Switch is functioning properly.
MATERIALS NEEDED
Offset Phillips Screwdriver
Volt/Ohmmeter
Wiring Diagram
TEST PROCEDURE
1. Carefully remove input power from the FlexCut 200 machine.
2. Perform the Case Cover Removal Procedure.
3. Perform the Capacitor Discharge Procedure.
4. Locate the input switch. See Figure F.28. See Wiring Diagram.
5. Using an offset Phillips screwdriver, remove the six screws securing the leads L1, L2, L3, L1A, L2A
and L3A to the input switch. See Figure F.29. See Wiring Diagram. Label and disconnect leads from
the input switch.
6. Using a volt/ohmmeter, perform the resistance test outlined in Table F.10. See Figures F.29 and
F.30. See Wiring Diagram.
7. If any of the tests fail, the input switch may be faulty.
8. If faulty, perform the Input Switch Removal And Replacement Procedure.
9. Using an offset Phillips screwdriver, attach the six screws securing the leads L1, L2, L3, L1A, L2A and
L3A to the input switch. See Wiring Diagram.
10. Perform the Case Cover Replacement Procedure.
FlexCut® 200 Service Manual
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