Watlow CPC400 - Manual (Page 168)

Chapter 6: Troubleshooting and Reconfiguring CPC400 Series User’s Guide
154 Watlow Anafaze Doc. 0600-2900-2000
6. Restore the controller settings.
If you have a stand-alone system, you must manually re-
enter your original parameters. If you have a computer-su-
pervised system with WatView software, you can save a
copy of your parameters to a job file and then reload them
into the controller.
Replacing the Flash Memory Chip
This procedure requires a Phillips screwdriver and an IC
extraction tool or jeweler’s flathead screwdriver.
CAUTION! The flash memory chip and other components are
sensitive to damage from electrostatic discharge
(ESD). To prevent ESD damage, use an ESD wrist
strap or other antistatic device.
NOTE! Replacing the flash memory chip results in full
erasure of RAM. Make a record of all parameters
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.