User manual APC BACKUP-UPS RS 550

[. . . ] Overload--The power demand from the load has exceeded the capacity of the Back-UPS. Event--An event has occurred and the unit needs attention. Automatic Voltage Regulation--The unit is compensating for extremely low input voltage, but is not using battery power. The fault number will illuminate on the display interface. [. . . ] The unit will beep to confirm the selection. Low sensitivity Medium sensitivity High sensitivity 156-288 Vac 176-282 Vac 176-276 Vac Input voltage is extremely low or The Back-UPS frequently switches to The connected equipment is high. computer loads. ) Warnings and System Faults Warnings Press DISPLAY to scroll through the display screens. Warning 1 ON LINE overload condition, indicated by the illuminated ON LINE icon, and the flashing overload icon. Warning 3 In ON LINE mode, and there is a bad battery, indicated by the flashing icon. Warning 2 Backup battery (ON BATT) Warning 4 overload condition. This is indicated by the flashing overload icon. The battery charge is low, and the Battery Charge indicator bar is flashing. System Faults The unit will display the fault messages. Contact APC Technical Support for additional support. · F01 - On-Battery Overload · F02 - On-Battery Output Short · F03 - On-Battery Xcap Overload · F04 - Clamp Short · F05 - Charge Fault · F06 - Relay Welding · F07 - Temperature · F08 - Fan Fault · F09 - Internal Fault 4 Back-UPS® RS Installation and Operation bu021a Function Button Quick-Reference Function Power Power On Timing Button (seconds) 0. 2 UPS Status Off Description Press POWER to start receiving input utility power. If A/C input power is not available, the unit will run on battery power. The unit is not receiving input utility power, but is providing surge protection. Power Off 2 On Display Status Inquiry Full-Time/PowerSaving mode 0. 2 2 On On Verify the status or condition of the unit. The LCD will illuminate and the unit will beep to confirm the Full-Time mode. The LCD will darken and the unit will beep to confirm the Power-Saving mode. While in Power-Saving Mode, the LCD will illuminate if a button is pressed, then darkens after 60 seconds of no activity. Disable any audible alarms caused by an event. Mute Event Specific 0. 2 On General Status Enable/ Disable 2 On Enable or disable the audible alarms. The Mute icon will illuminate and the unit will beep one time. The Mute function will not activate unless the UPS is operating on battery power. Sensitivity 6 Off Master/Controlled outlet Enable/Disable Master/Enable Threshold Calibration 2 On 6 On The Load Capacity icon will blink, indicating that the unit is in programming mode. Use the POWER button to scroll through Low, Medium, and High, stop at selected sensitivity. The unit will beep to confirm selection. The leaf icon will darken indicating that the Master Outlet feature is disabled or illuminate to indicate the Master Outlet feature is enabled. While calibrating the threshold setting, the device connected to the Master Outlet should be turned off or placed in Standby or Sleep mode. Upon completion, Power-Saving icon will flash 3 and beep 3 times. The UPS will perform a test of the internal battery. [. . . ] illuminated, all the front panel indicators are flashing. The internal battery is not connected. The utility input voltage is out of range. Ensure that essential equipment is not plugged into a SURGE ONLY outlet. Disconnect non-essential equipment from the BATTERY BACKUP outlets and connect the equipment to SURGE ONLY outlets. Charge the battery cartridge for 16 hours. Disconnect non-essential equipment from the BATTERY BACKUP outlets and connect the equipment to SURGE ONLY outlets. [. . . ]