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F-29TROUBLESHOOTING AND REPAIRF-29

INTERFACE DIGITAL MODULE I/O TEST PROCEDURE (continued)

FIGURE F.8 – INTERFACE DIGITAL MODULE I/O (REAR)

DIGITAL I/O

INTERFACE

MODULE

MOUNTING SCREW

(USB)

 

INTERFACE

MODULE

DIGITAL I/O

I/O LINE PULL

 

 

HIGH

LOW

-

+

 

 

12VDC

, 1A

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7. Check to make sure the green LED on the back of the Interface Digital Module I/O is lit. See Figure F.8.

8. If the green LED is lit, the Interface Digital Module I/O is functioning properly.

9. Verify that the switch on the back of the unit is set to the “HIGH” position. See Figure F.8.

10. If the green LED is not lit, make sure the USB cable is connected properly between the Interface Digital Module I/O and the CPU. Try connecting a new USB cable to a different available port on the CPU.

Make sure that there are no shorts NOTE: between the ribbon cables and the user

interface controls.

11. The Interface Digital Module I/O may be faulty.

 

Perform

the

Interface Digital

Module I/O

12.

R moval and Replacement Procedure.

Perform

the

Case Cover Replacement

13.

rocedure.

 

 

Perform

the

Monitor and

Pedestal

 

Replacement Procedure.

 

VRTEX TM 360

Page 86
Image 86
Lincoln Electric SVM200-A service manual 29TROUBLESHOOTING and REPAIRF-29, Figure F.8 Interface Digital Module I/O Rear