BCM450 Hardware & Installation
NN40011-001 Issue 1.2 BCM450 Rls 6.0
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16. Ensure that the fan is securely connected to the BCM chassis.
17. Restore the BCM450 system to operation as required.
Replacing the Clock Battery
The clock battery can be replaced if it fails. This clock battery supplies the
power required to keep accurate CMOS information if there is a power failure.
Note:
You must replace the battery with a CR2032, 3 Volt Maxell coin cell
battery. The use of any other manufacturer can invalidate the safety approval
of the BCM450 main unit and possibly cause a fire or explosion.
1. Check for a recent backup of the BCM450 programming. If there is no
recent backup, use Element Manager to back up of all the system data.
2. Use Element Manager to shut down the BCM450 system.
3. Disconnect all cables.
4. Disconnect the BCM system from the AC power outlet.
5. Attach one end of the grounding strap to your wrist and the other end to
a grounded metal surface.
6. Remove the Base Function Tray.
7. The clock battery is positioned towards the center of the main board of
the base function tray.