FB2100/FB2200 Flow Computer CPU Enclosure & Electronics Field Replacement Guide
D301803X012
November 2020
10
Flow Computer CPU Enclosure Cover (Top) Field Installed Accessory Kit Part No. 399264-01-
0 for use with UL Listed Model Series FB2100 and FB2200.
You remove the CPU enclosure cover to gain access to the inside of the CPU enclosure, to perform
a field replacement, or if you need to replace the CPU enclosure cover itself. Replace the CPU
enclosure cover when you are done with your field replacement procedure.
Removing the CPU Enclosure Cover (Top)
1. Remove the HMI module. See Removing the HMI Module on page 6.
2. Disconnect the cable between the CPU enclosure and the sensor. See Disconnecting the Cable
Between the CPU Enclosure and the Sensor on page 7.
3. Detach the CPU enclosure from the battery compartment. See Detaching the CPU Enclosure
from the Battery Compartment page 7.
4. Use a #2 Phillips-head screwdriver to loosen the two screws that hold the CPU enclosure
cover (top) to the CPU enclosure (bottom). Save the screws.