Watlow Series D8 - Manual (Page 188)

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
D8
D8