Removal and Replacement Procedures - Safety Considerations - PLAN AHEAD!
Battery Replacement Procedures
Table 37 - Replacing a Backup Battery (CPU Powered))
Step | Action |
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1. | If the battery is removed from the Controller Module when AC power is not |
| |
| applied, the content of SDRAM will be lost. |
Before beginning this procedure, upload and SAVE a copy of the configuration, or ensure that a previously SAVEd copy of the current configuration is available.
2.Apply site AC power to the Power Supply that is associated with the controller Module..
3.Open the plastic door at the top of the Controller Module.
Press the latch on the battery cover to the right to release the battery holder, and use the
Note the orientation of the
4.The battery is retained in the holder by spring tension of the plastic holder itself.
Extract the battery from the holder by using your thumb to apply pressure to the front end of the battery, and rotating it to the left.
Insert the negative end of the new battery into the back end of the holder, and press on the battery so that it snaps into the holder.
To ensure that the battery is seated properly, rotate it in the holder, using finger or thumb pressure toward the positive (front) end of the battery.
5.
While maintaining proper orientation (battery toward the left), slide the battery holder into the slot in the Controller Module until it snaps into place.
154 | HC900 Hybrid Controller Installation and User Guide | Revision 5 |
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| 9/03 |
