User`s guide

Chapter 7: Troubleshooting and Reconfiguring Series D8 User’s Guide

170 Watlow Anafaze Doc. 0600-3120-2000

Replacing the Flash Memory Chip

This procedure requires a 32-pin PLCC IC extraction tool.

CAUTION! The flash memory chip and other compo-

nents are sensitive to damage from electro-

static discharge (ESD). To prevent ESD

damage, use an ESD wrist strap or other an-

tistatic device.

NOTE! Replacing the flash memory chip results in

full erasure of RAM. Make a record of all pa-

rameters before changing the flash memory

chip.

1. Make a record of controller parameters.

2. Switch off power to the controller.

3. Disconnect input power to the controller.

4. Remove the four screws from the sides of the controller

front bezel.

5. Remove the electronics assembly from the case, as

shown in Figure 7.1.

Figure 7.1 Removal of Electronics Assembly

from Case