Emerson Process Management ControlWave EFM 3808 - Manual (Page 120)

3-4 / Service CI-ControlWave EFM
Figure 3-1 - Sealed Lead-acid Battery Mounting Diagram
3.2.8 Removal/Replacement of a Power Distribution Board
1. If the ControlWave EFM is running, place any critical control processes under
manual control and shut down the unit by disconnecting power to the System
Controller Module (SCM).
2. Unplug wiring harnesses from Power Distribution Board connectors TB1 through
TB6 (make sure cables are identified for proper replacement).
3. Slide the Power Distribution Board toward the front of the unit and remove it from
its Snap Track Holder.
4. To replace a Power Distribution Board, slide it into its Snap Track Holder. Replace
wiring harness connectors TB1 through TB6.
5. Apply power (replace SCM Power Connector - TB1) and test the unit.