OPERATIONEaton FERRUPS Rack Mount UPS (850 VA–7 kVA) User's Guide 164201424 Rev 1www.eaton.com/powerquality37ExplanationParameter Name(Short Form)PasswordSample DisplayParameterNumber24 24 Inverter LogL 0319 2127 1215Change NotAllowedinverterlog(il)A record of the date, time, duration andreason for the last 20 inverter (batterypower) runs (see “Alarm and Inverter Logs”on page 64).25 25 Alarm LogA 0319 2127 1215Change NotAllowedalarmlog(al)A record of the date, time, duration andreason for the last 20 alarms (see “Alarmand Inverter Logs” on page 64).26 26 Test Results(Seeexplanation.)Change NotAllowedtestresults(tr)This parameter records the results of thelast system test. The parameter displayincludes the time and date of the test andthe results of each part of the system test(see “Automatic System Test” on page 33).Additional Parameters The microprocessor in the UPS keeps track of more than 100 parameters. Parameters 27 andabove are alarm and operation set points, calibration factors and other settings. You usually do not need access tothese parameters for normal operation of the UPS. If you need information about the full range of UPS parameters, callyour service representative to ask for TIP 407 or TIP 503. TIP 407 describes communication from a control panel.TIP 503 describes communication through the RS-232 port.UPS ShutdownThe FERRUPS Rack Mount UPS is designed for many years ofround-the-clock operation. Usually, you do not need to shut down theUPS, even if your equipment is shut down for several days. Even whenit's not powering your equipment, the UPS monitors its internalcondition and keeps the Time and Date parameters current.The following situations may require a UPS shutdown:1. When you do not expect to use it for an extended period of time.2. When it is being serviced.3. Before you move it.4. When it has gone into the Off mode because the batteries havebeen discharged during an extended outage.5. When a system malfunction requires a UPS shutdown.