Lincoln Electric INVERTEC V250-S Bedienungsanleitung PDF herunterladen (Seite 52)

F-20

TROUBLESHOOTING & REPAIR

F-20

TEST DESCRIPTION

1. Remove main input power to the

V250 -S.

2. Perform

Filter Capacitor Discharge

Procedure

detailed in Maintenance

Section.

3. Locate the Power Board and associ-

ated lead locations. See Figure F.3.

4. Carefully remove main transformer

primary leads #201, #204, #205 and

#208 from the power board.

5. Use the analog ohmmeter to perform

the tests outlined in

Table F.3

. See

power board schematic.

POWER BOARD RESISTANCE TEST (continued)

INVERTEC V250-S

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V250S POWER G2684

DANGER

HIGH VOLTAGE CAN KILL

204

201

209

208

205

207A

202A

203A

206

Figure F.3 Power Board Test Points.

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Lincoln Electric INVERTEC V250-S Bedienungsanleitung Seite 52