Troubleshooting & repair – Lincoln Electric INVERTEC V250-S User Manual

Page 48

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F-16

TROUBLESHOOTING & REPAIR

F-16

TEST PROCEDURE

1. Remove main input power to the

V250-S.

2. Perform

Filter Capacitor Discharge

Procedure detailed in Maintenance
Section.

3. Locate Input Rectifier (D9) and lead

locations.

4. With the Phillips head screwdriver

remove leads #207, 207A and #209
from the rectifier. See Figure F.2.

5. Use the analog ohmmeter to perform

the tests detailed in

Table F.2. See

wiring diagram.

INPUT RECTIFIER TEST (continued)

INVERTEC V250-S

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Return to Master TOC

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#207
#207A

#209

A

B

C

Figure F.2 Input Rectifier and Leads.

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