AcerAltos 19000 User’s Guide
1-10
LED IndicatorsTable 1-1 LED Indicator Description (Right to Left)
LED Icons Description
Power Status Green Indicates that power is on. All the power
supply modules are in good condition
and the system is running on AC power.
Red Indicates that power is on, but AC has
failed and the system is running on
battery power.
Battery Status
UPS
Green Indicates that a battery is present.
Red Indicates low battery power.
Hard Disk Failure Green Indicates that all the hard disks installed
in the backplane board are in good
condition.
Red Indicates that one of the hard disks
installed in the backplane board is bad.
Hard Disk Busy Green Indicates that at least one of the hard
disks is currently being accessed.
LCD Display Screen