Eaton RM3-400-0330 Installation And Operation Manual

Contents

MaintenanceCopyright © 2007-2010 Eaton Corporation. All Rights Reserved.IPN 997-00012-62E June 2010 47System Controller Problems (RM3-410/420 Models only)Problem Possible Cause Required ActionSC200 or SC100 displays adc power system alarmmessage.See Alarm Descriptions in the SystemController Operation Handbook.RXP/power cable isdisconnected from the SC200 orSC100.Connect cable from connector YS11 to thedc power system voltage feed module(see Connections on page 69). Wait forstart-up to complete.The ac supply is off and thebatteries are not connectedbecause the Low VoltageDisconnect (LVD) hasdisconnected.None. The power system including theSC200 or SC100 will return to normaloperation when the ac supply is withinits specified voltage range.SC200 or SC100 LCD isblank and green Power OnLED is off.Faulty Voltage Feed Module(VFM) or faulty SC200 or SC100.Replace faulty unit.SC200 or SC100 is in start-upmodeWait for start-up to complete. SeeStarting the SC200 or SC100 on page 35.SC200 or SC100 LCD isblank and green Power OnLED is on. Faulty SC200 or SC100 Replace faulty SC200 or SC100.SC200 or SC100 Red LED orYellow LED is on.An alarm is active. Check the type of alarm on the LCD orwith DCTools/Web or PowerManagerII. SeeAlarm Descriptions in the SystemController Operation Handbook.Unable to change settingsfrom SC200 or SC100keypad.Keypad access is set to ReadOnly or PIN Protected.See Keypad Access Security on page 36.An active alarm, digital input oranalog input is mapped to thisrelay.Check relay mapping. See Alarms,Analog Inputs, or Digital Inputs in theSystem Controller Operation Handbook.Monitor OK relay (RLY6) isde-energized.SC200 or SC100 or I/O boardsoftware corrupt or hardwarefault.Replace faulty unit.Bus voltage sense polarity isincorrect.Check the bus voltage sense polarity andcorrect if necessary.Incorrectly configured shuntinputs.Check shunt mapping and gain is correct.Incorrect battery or loadcurrent readings.Current is within the BatteryState Threshold. See details in theSystem Controller OperationHandbook.None, normal operation.