User Instructions | UM581127000 |
Spec. No. 581127000 (Model 710NPBA) | Issue AB, March 22, 2012 |
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9)Remove the screws securing the circuit card and remove the circuit card from the distribution cabinet.
10)In this step, ensure you do not intermix the old and replacement circuit cards. Set the shorting jumpers on the replacement circuit card to match the locations on the old circuit card. Jumper settings are documented in CHAPTER 3. SETTING JUMPERS AND SWITCH OPTIONS of the Power System Installation Instructions (IM581127000).
11)Slide the replacement circuit card into the mounting position inside the distribution cabinet, and secure with the screws removed from the old circuit card.
12)Plug all connectors removed from the old circuit card into the same position on the replacement circuit card.
Danger: In the next step, external alarm wiring may be energized from an external source. DO NOT allow bare wire ends to contact any grounded or energized object.
13)Reconnect the external wiring to the correct terminals on the customer connection terminal block. First remove the electrical tape that was applied to the bare wire end in a previous step. DO NOT allow the bare wire end to contact any grounded or energized object. After securing the wire, gently tug on the wire to ensure that it cannot be pulled out of the terminal block. Repeat for each wire to be reconnected.
14)Remove the grounding wrist strap.
15)Reinstall the top and front panels that cover the circuit cards at the bottom of the distribution cabinet.
16)Close the distribution cabinet’s front door. Turn the latch clockwise to secure the door.
17)Enable the external alarms, or notify appropriate personnel that this procedure is finished.
18)Ensure that there are no local or remote alarms active on the system.
Chapter 4. Troubleshooting and Repair | Page 31 |
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