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Figure 7.2—screw locations on pc board 171, Figure 7.3—location of flash memory chip 171 – Watlow Series D8 User Manual

Page 189

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Series D8 User’s Guide

Chapter 7: Troubleshooting and Reconfiguring

Doc. 0600-3120-2000

Watlow Anafaze

171

6. Unscrew the four screws at the corners of the top board

and carefully unplug this board to access the bottom

board. Figure 7.2 shows the screws to remove:

Figure 7.2

Screw Locations on PC Board

7. Locate the flash memory chip on the circuit board. The

flash memory chip is a 32-pin socketed chip that is la-

beled with the model, version and checksum.

Figure 7.3

Location of Flash Memory Chip

8. Remove the existing flash memory chip from its socket

with an IC extraction tool.

9. Carefully insert the new flash memory chip into the sock-

et. Make sure that the chip is oriented so that its notch fits

in the corresponding corner of the socket.

10. Reverse steps 2 through 6 to reassemble the unit.
11. Power up the controller.
12. Re-enter parameters.

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