Rockwell Automation 1756-Lx_Mx ControlLogix Controller and Memory Board Installation Instructions - Manuel (Page 35)

ControlLogix® Controller and Memory Board 35
Publication 1756-IN101J-EN-P - November 2004
BAT Indicator
Color Description Recommended Action
off The battery supports memory. None
solid green If the
controller is: Then:
series A The controller does
NOT show this
indication. None
series B During power-down,
the controller is
saving the project to
its internal
nonvolatile memory. If
the BAT LED is solid
red before you turn
off the power, the BAT
LED remains solid red
even during the save. None
solid red Either the battery is:
• not installed.
Install a battery.
• 95% or more discharged
Replace the battery.