Replacing The Backup Battery - Honeywell WEBsAX Series Mounting & Wiring Manual

Replacing the backup battery

The NXS is equipped with a 3.0Vdc Lithium backup battery. The battery provides back-up power to buffered SRAM,
the real-time clock, and the CMOS data area that stores BIOS setup.
Notes • The life span of the backup battery is approximately 3–5 years, depending on the operating conditions.
After physically replacing the backup battery, you must re-enter certain
minimum, a USB keyboard and DVI-capable display) must be connected to the NXS in order to do this. For more details,
see "BIOS Setup,"
Risk of damage!
Caution •
The lithium battery may only be replaced with an identical battery or with a type
recommended by the manufacturer.
Depleted batteries must be disposed of in accordance to local regulations.
•
Procedure 5 To replace the backup battery
Step 1 Run BIOS setup on the NXS, recording the current settings. Power the unit off when done.
Step 2 Open the device (front
Step 3 Pull out the battery plug (see below).
Step 4 Carefully bend up the battery strap, and remove the battery.
Step 5 Insert the new battery in the same location, and secure it by bending down the battery strap.
Step 6 Insert the new battery plug into the battery socket—note that the connector is keyed to prevent incorrect
polarity.
Step 7 Close and refasten the front panel.
Step 8 Attach a local console to the NXS (USB keyboard, DVI-capable display).
Step 9 Restore power, and allow to boot into BIOS setup. Re-enter BIOS settings to those recorded earlier, or refer
to the standard BIOS settings in the appendix of this document.
page 22
panel).
BIOS Setup
Battery Strap
21
W-NXS AND CP-NXS
information. A local console
Battery
Battery Plug
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