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F-32

TROUBLESHOOTING & REPAIR

F-32

 

 

CONTROL BOARD VOLTAGE 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 plugs J1 thru J5 on the control board. See Figure F.9.

4.The following tests will be performed with the input power applied to the V250-S. BE CAREFUL. ALWAYS REMOVE INPUT POWER AND PERFORM FILTER CAPACITOR

DISCHARGE PROCEDURE BEFORE TOUCHING ANY MACHINE COMPONENT.

5.Apply input power and turn ON the V250 -S.

6.Perform the voltage checks outlined in Table F.5. making sure all of the test conditions are in effect.

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1J3

7J3

 

 

 

1J5

 

(#303)

1J1

 

 

 

(#375)

 

 

(#322)

 

1J4

(RED LEAD)

 

 

 

 

(BLACK LEAD)

 

 

 

 

 

 

 

 

 

 

 

2J4

 

J1

J2

J5

 

J3

(WHITE LEAD)

3J1

4J5

J4

(RED LEAD)

 

 

 

 

 

 

 

 

(#318)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G2666-[ ]

 

V250S CONTROL

 

 

 

Figure F.9 Plugs J1-J5 on Control Board

INVERTEC V250-S

Page 64
Image 64
Lincoln Electric V250-S service manual Control Board Voltage Test, Figure F.9 Plugs J1-J5 on Control Board