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BPS Alarms 209
A
BPS Alarms
This chapter provides information about the external alarm conditions of the
Dell backup power supply (BPS).
NOTE: The Dell BPS LED is solid amber with an audible alarm.
Table A-1. External Alarm Conditions
Alarm Description Audible Corrective Action
Battery
disconnected
Battery voltage is lower
than the batteries
disconnected level
defined for this UPS.
This may be due to a
blown fuse,
intermittent battery
connection, or battery
cable being
disconnected.
If EBMs are attached
this alarm does not
trigger unless the EBMs
are also disconnected
since they are paralleled
with the battery bus.
Beeping Reconnect the battery by
following the steps in the
Getting Started Guide.
Service
battery
A faulted battery string
has been detected and
as a result the battery
charger has been
disabled until it is
replaced.
Beeping Battery needs to be replaced.
Contact Dell.
Input AC over
voltage
Utility RMS voltage
greater than maximum
valid utility threshold.
Beeping Check the utility power.