Battery Backup for RAM
The controller has an optional battery backup. With this option, the controller retains everything stored in RAM when power is cycled.
Battery Backup
Battery Life..............................................5 years at 25 deg C
Part numbers...........................................Tadiran TL-5242/W 2100 mAh (www.tadiranbat.com)
To replace the battery, you will need to remove the cover. Below is a picture of the ACR with the cover removed and shows the battery location and where it connects.
There is a velcro sticker provided with the battery
Once the battery is installed, then the user can look at the P7044 in the misc flags or type in: print P7044 from the terminal emulator window and if there is no problem with the battery, it should report 0. Or the user could issue a Diag command, and the first line in the response should be:
BCL: PASS
