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F-36

TROUBLESHOOTING & REPAIR

F-36

 

 

PROTECTION CIRCUIT TEST (continued)

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TEST PROCEDURE

1.Remove main input power to the V250-S.

2.Perform Filter Capacitor Discharge Procedure detailed in Maintenance Section.

3.Locate and familiarize yourself with the leads and pin locations in plug J2 on the control board and also plug J6 on the power board. See Figures F.10. and F.11.

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8J2

 

6J2

 

 

J1

J2

J5

J3

J4

 

 

1J2

 

 

 

 

2J2

 

 

 

 

 

G2666-[ ]

V250S CONTROL

 

 

Figure F.10 Control Board Plug J2 Test Points

 

#313 (5J6)

#309 (6J6)

 

#311 (4J6)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#310 (3J6)

#308 (1J6)

#307 (2J6)

PLUG J6

205

208

209

V250SJ6POWER G2684

204

201

 

Figure F.11 Power Board Plug J6 Test Points

INVERTEC V250-S

Page 68
Image 68
Lincoln Electric V250-S service manual Protection Circuit Test, Figure F.10 Control Board Plug J2 Test Points