Specifications

Chapter 14: Removal and Replacement Procedures --- Electrical Modules
14-7
RRP 6.3 Interconnect PWB Enclosure (with PWB)
Removal
1. Open the Rear Cover (RRP 1.1).
2. Remove all of the covers, except the Front Transport Assembly.
3. Remove the controller (ESS). (RRP 6.2)
4. Remove the ESS enclosure (RRP 6.1).
5. Unplug the Exit Sensor .
6. Remove the two tapped 6mm gold screws securing the Electronics Box Cover to the ROS
Assembly.
7. Remove the 6-mm gold screw securing the Interconnect PWB to the MCU electronics box
base.
8. Lift the Interconnect PWB enclosure. This disconnects the P/J 31 header from the MCU.
If the Interconnect PWB does not need to be removed, for example, to disconnect a P/J from
the MCU PWB, hinge the unit backwards
If the Interconnect PWB must be removed, remove the three 6-mm gold screws from the
Interconnect PWB and remove P/J 50 (Control Panel) and P/J 51 (LVPS).
Replacement
1. If the Interconnect PWB was removed, Replace P/J 50 and P/J 51 and the three 6-mm
gold screws from the Interconnect PWB
If the Interconnect PWB was not removed, reinstall interconnect PWB enclosure,
carefully reconnecting P/J 31 on the MCU.
2. Replace the 6-mm gold screw connecting the Interconnect PWB to the MCU electronics box
base.
3. Plug in the Exit Sensor.
4. Replace the Assembly.
5. Replace the controller (ESS).
6. Replace the covers.