HP T1000 manual Disconnect the negative black lead

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4.Disconnect the negative (black) lead.

Maintenance 24

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Contents HP UPS T1000/1500 User Guide Audience assumptions Contents Spares Index Component identification UPS front panelThis section UPS front panel controls and LED indicators UPS T1000 NA/JPN/TWN rear panel UPS T1500 NA/JPN/TWN rear panel UPS T1000 Intl rear panel UPS T1500 Intl rear panel Installation PrecautionsElectrical requirements Checking the battery recharge date Connecting the batteriesSelecting the UPS voltage configuration Connecting the host computer Connecting the serial communications portConnecting the Network Transient Protectors Connecting the USB communications portConnecting the UPS to utility power Connecting devices to the UPSCharging the UPS batteries Powering up the UPS Silencing an audible alarm Powering down the UPSAudible alarm conditions UPS operationsUPS operations Power management HP Power Manager featuresMaintenance Important battery safety informationBattery care and storage guidelines Updating the UPS firmware Replacing the batteriesUPS battery replacement procedure Disconnect the negative black lead Remove the battery module Cleaning battery spills Maintenance Troubleshooting Audible alarm soundsUPS operates on battery only UPS does not startUPS frequently switches between utility and battery power UPS does not provide the expected backup timePower LED flashes Voltage Configuration LED is greenBattery Charge LED is red Battery Warning LED is amberSite Wiring Fault LED is red Output Load Level LED is red or flashing redSpecifications T1000 physical specificationsT1500 physical specifications UPS input specificationsT1000 output specifications T1500 output specificationsT1000 power protection specifications T1500 power protection specificationsOutput tolerance specifications Output feature specificationsBattery specifications Battery runtimePage T1000 UPS spare parts list T1500 UPS spare parts listSpares Ordering sparesTechnical support Before you contact HPHP contact information Warranty information Limited warranty$250,000 Computer Load Protection Guarantee Pre-Failure Battery WarrantyNotification from power management software Regulatory compliance notices Regulatory compliance identification numbersFederal Communications Commission notice FCC rating labelClass a equipment Class B equipmentModifications CablesCanadian notice Avis Canadien European Union regulatory noticeJapanese notice Bsmi notice Battery replacement notice Power cord statement for JapanKorean notice Electrostatic discharge Preventing electrostatic dischargeGrounding methods to prevent electrostatic discharge Acronyms and abbreviations Index Index Index