Access Power Solutions Installation and Operation Guide (APS3-300 Series)104 Copyright © 2007-2012 Eaton Corporation. All Rights Reserved.IPN 997-00012-48D November 2012Load Current • 51Rectifier Current • 41Current Sense • 7, 8, 71DDamage (transport) • 14, 34DC CommonAC-DC Earth Connection • 19, 85Location • 2Polarity • 19DC Distribution Cover • 2DCTools • 6, 9, 44, 65N/A (in DCTools/Web) • 52Software Versions • 6Target Failed to Respond Error • 52Write Access Password • 53Digital Inputs • 71Connectors • 7, 8, 78Digital Outputs (Relays) • 9, 70Connectors • 7, 8, 78Discrimination • See AC DiscriminationEEarthAC-DC Earth Connection • 19, 85Earth Leakage Current • 16, 69Positive/Negative Earth Operation • SeePolaritySite Earth • 16EthernetConnector • 5, 8Ethernet Communications • 9, 53Problems • See TroubleshootingFFuseBattery Fuses • 50Rectifier Fuses • See AC DiscriminationGGSM Modem Communications • 9, 53HHigh AC Voltage Protection • 16IIdentity Information • 46Input/Output (I/O) BoardConnections to other system components • 8Connector Pin-outs • 78Description • 7, 8Digital Inputs • 71I/O Board Mapping • 58, 61Input/Output Cabling • 30Location • 3LVD Status LED • 7, 55Power On LED • 7, 55, 61Repair and Return • 99Replacing the Input/Output Board • 61Internal Clock • 54KKeypadKeypad Access Security • 42, 51LLCD • 42, 51LEDsLEDs (SC200 or SC100) • 43, 51LVD Status LED • 7, 55Power On LED • 7, 55, 61Rectifier LEDs • 4Troubleshooting • 48Lightning Protection • See Transient VoltageProtectionLoad Circuit BreakersConnecting to MCBs • 26Fitting MCBs • 19Location • 2Replacing or Adding a Load MCB • 57Load Current • 51Low Voltage Disconnect (LVD) • 9Characterization of LVD • 60, 61Connectors • 7, 8, 78Location • 3LVD Alarms • See TroubleshootingLVD Status LED • 7, 55Problems • 55LVD • See Low Voltage Disconnect (LVD)