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11-3
Powerware
®
9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C
The RMP contains a local horn and the backlit status indicators listed in Table 11-2.
Table 11-2. RMP Status Indicators
SYSTEM NORMAL
The UPS is energized (either with utility power or battery
backup) and is supplying conditioned power to the
critical load.
NO REDUNDANCY
This indicator applies only to parallel systems when one
cabinet is not functioning.
ON GENERATOR
The UPS input and bypass are being supplied by the power
from the generator instead of from the utility power.
ON BYPASS
Thebypasssourceissupplyingthecriticalload.Usually
thismeansthattheUPSisnotenergized.Theloadisnot
protected in Bypass mode, and a horn sounds after
30 seconds.
UPS ALARM
The UPS system is issuing an alarm. Conditions that
affect the current UPS mode are indicated by the
indicatorsandhornontheUPS.
ON BATTERY
The UPS battery backup is supplying the critical load.
The utility power is either interrupted or out of
specification. The SYSTEM NORMAL indicator is also
illuminated.
BYPASS UNAVAILABLE
The UPS system is in Normal mode, but a bypass source
is not within specification. A horn sounds after
30 seconds.
SHUTDOWN IMMINENT
The UPS is preparing to shut down because the UPS is in
Battery mode and the DC voltage is approaching its low
limit. This indicator is accompanied by a horn.