COMMUNICATIONEaton 9395 UPS (450–825 kVA) Installation and Operation Manual 164201725 Rev 4 www.eaton.com/powerquality8-8The RMP II contains a local horn and the backlit status indicators listed in Table 8‐1.Table 8‐1. RMP II Status IndicatorsSYSTEM NORMALThe UPS is energized (either with utility power or battery backup) and issupplying conditioned power to the critical load.NO REDUNDANCYThis indicator applies only to parallel systems when one cabinet is notfunctioning.ON GENERATORThe UPS input and bypass are being supplied by the power from thegenerator instead of from the utility power.ON BYPASSThe bypass source is supplying the critical load. Usually this means thatthe UPS is not energized. The load is not protected in Bypass mode, and ahorn sounds after 30 seconds.UPS ALARMThe UPS system is issuing an alarm. Conditions that affect the currentUPS mode are indicated by the indicators and horn on the UPS.ON BATTERYThe UPS battery backup is supplying the critical load. The utility power iseither interrupted or out of specification. The SYSTEM NORMAL indicatoris also illuminated.BYPASS UNAVAILABLEThe UPS system is in Online mode, but a bypass source is not withinspecification. A horn sounds after 30 seconds.SHUTDOWN IMMINENTThe UPS is preparing to shut down because the UPS is in Battery modeand the DC voltage is approaching its low limit. This indicator isaccompanied by a horn.
