S1 Volt Sense Fail, S2 Volt Sense Fail | Liebert 100-1000A guide

Event Message Help Text

S1 VOLT SENSE FAIL

Source 1 Voltage Sense Module Failed.

The module contained on the snubber monitoring the input voltage from Source 1 has failed.

Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the Liebert STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.

Contact Liebert Services for technical support at 1-800-LIEBERT (800-543-2378).

This event was written to the Event Log, if so configured.

The alarm has triggered a message to be sent to the modem, if so configured.

If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.

S2 VOLT SENSE FAIL

Source 2 Voltage Sense Module Failed.

The module contained on the snubber monitoring the input voltage from Source 2 has failed.

Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the Liebert STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.

Contact Liebert Services for technical support at 1-800-LIEBERT (800-543-2378).

This event was written to the Event Log, if so configured.

The alarm has triggered a message to be sent to the modem, if so configured.

If configured to be a latching alarm, press RESET on the display. If you are accessing the Liebert STS2 system from a terminal, type CA and press RETURN on your keyboard.

S1 SCR SENSE FAIL

Source 1 SCR Sense Module Failed.

The module contained on the snubber monitoring the SCRs for Source 1 has failed.

Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the Liebert STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.

Contact Liebert Services for technical support at 1-800-LIEBERT (800-543-2378).

This event was written to the Event Log, if so configured.

The alarm has triggered a message to be sent to the modem, if so configured.

If configured to be a latching alarm, press RESET on the display. If you are accessing the Liebert STS2 system from a terminal, type CA and press RETURN on your keyboard.

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Liebert 100-1000A user manual S1 Volt Sense Fail, S2 Volt Sense Fail, S1 SCR Sense Fail

Contents

Liebert STS2 Page Table of Contents Theory of Operation Alarm and Faults Liebert STS2 Touch Screen Display Communication Interfaces Event Message Help Text 17.0 Maintenance Specifications Figures Tables Important Safety Instructions Overview of Manual Safety Precautions External Inspections Unloading and HandlingUnpacking and Inspections Internal Inspections Handling ConsiderationsUnit Preparation Operating Temperature Range 0 to 40C 32 to 104F Recommended Minimum Service ClearancesHeat Output Operating Environment Recommended derating for high altitude operation Altitude Leveling and Anchoring the Static Switch Using Floor Stand Leveling of the Static Switch Without AnchoringLeveling and Anchoring the Unit to the Floor Locating the Liebert STS2 Power and Control Wiring Input And Output Power Connections Input Junction Box Installation-Optional Input/output conduit plate specificationsRating Max. number and size Input junction box terminal wire size range Input junction box dimensionsLength Width Height Switch Rating Inches mm Switch Rating Power and Ground Lug Wire Range System Grounding Control Wiring ConnectionsSource MICB1 MICB2 Isolation Transformer CB4 CB3 Power Supply Remote Source Selection WiringTerminal block 1 and terminal block 2 wire connections Remote source selection terminal block Optimized Transfer Programmable Relay BoardOptions Programmable relay board pinout Input Contact Isolator Board Comms BoardLiebert IntelliSlot SNMP/Web/Modbus 485 Card LED Display Key Lockout SwitchRemote Source Selection Redundant Output Breaker Input Junction Boxes and Cables Seismic Floor AnchorsSeismic Floor Stand Detail a Installation Drawings Rev PS211800 Rev PS211101 Rev PS211401 PS211801 Liebert STS2 Seismic anchor STS2 System Seismic ANCHORING, Figure Front ONE-LINE Diagram Rev Section A-A ONE-LINE Diagram PS212401 Drawing 800 1000 amp Liebert STS2 with BreakerSingle output PS212801 ABB Liebert STS2 non-automatic circuit breaker schedule See Option Location Detail Control connection location diagram 100 600 amp Liebert STS2 Front View with Front Door Removed Option Location Detail Control Wiring See Note J72 J71J73 J74 Table J51 Control wiring for the input contact isolator board option 02-810015-XX No customer Connection ConnectionDB-9 No customer TXD RXD GND Control wiring for the RS-232 port Input Junction BOX Mimic Description Symbol Installation drawing, seismic floor stand 100-250A Seismic floor stand 100-250A Installation drawing Stand 100-250A Installation drawing, seismic floor PS215003 Rev Hardware Torque Chart Drawing, seismic floor stand 400-600AHeight Table Seismic floor stand 400-600A PS216001 Rev PS216002 Rev PS216003 Rev Installation drawing, seismic floor stand 800-1000A Seismic floor stand 800-1000A Right Side View Front Right Isometric View Rear Right Isometric View Right Side ViewFront View View System Description Introduction to Liebert STS2 OperationsRedundancy Modes of Operation Bypass Operator Controls Theory of Operation General Description Load Current Transfer Inhibit Emergency TransferSCR Failure 7 On/Off Sequence Controls Operator Interface Detailed Component DescriptionHardware Firmware Circuit Breakers Audible AlarmSCRs Logic Modules Operating Instructions for the Touch Screen Interface Normal System Startup Source transfer screen Manual Transfer / Preferred Source Selection Maintenance Bypass Enabling Remote Source SelectionTo manually select the preferred source Touch Screen Viewing Slot for the Source 1 Gate Drive Board Viewing Slot for the Source 2 Gate Drive Board Bypass Procedures for Source To bypass the switch for SourceTo return to normal mode Shutdown in Static Transfer Switch Mode Shutdown in Maintenance Bypass ModeNormal System Shutdown Event Mask Alarm and Faults Event and History Logs Event LogHistory Log List of Messages Alarm Notes Event messages Alarm Message Description/Cause Action See Configuring the Input Contact Isolator Settings on Communication Interfaces Using the RS-232 Port Connecting and Using a Terminal Terminal commandsKeys Function Configuring the Liebert STS2 via the Terminal Groups ParameterItem Parameter Group settings and values Value ParameterValue types Event Mask User Setting Bitpacked Options with the Terminal Options1Comms Options Non-Critical Option Enabling Critical Option EnablingBinary-hexadecimal conversions Hex Putting the Terminal Command Together Examples of Event Mask Settings Setting Event Masks with the Terminal Liebert STS2 Touch Screen Display Display Overview Backspace Menu Overview Using the Password Using the Optional Key Lockout SwitchTo set or reset the password Changes disabled Changes enabled Mimic Display Configuration MenuEvent Controls Event Display User Settings To access the User Settings dialog boxTo set the event masks Source Set Points User settings dialog box To configure the setpoints for each source Button Range Default CommentsSepoint parameters Liebert STS2 Touch Screen Display To access the System Settings menu System SettingsComm Options Option buttons To configure the modem Configuring the Modem Configuring Pager Support To configure the Input Contact Isolator relays Configuring the Input Contact Isolator Settings Configuring the Programmable Relay Board Settings Standard settings for programmable relaysRelay Setting Definition Configuring the Liebert IntelliSlot SNMP/Web/Modbus 485 Card Saving Your Communications Configurations Liebert SiteScan ConfigurationSystem Options Dual Output Breaker System ID Pole Transfer SwitchShunt Wye Output Transformer 13.11.1Event Log Logs13.11.2History Log To use the Event Log Bypass Procedure Startup ProcedureCleaning the LCD Touch Screen Source Transfers LEDs and Buttons and Key Lockout Switch Operating the Liebert STS2 LED DisplayFront Panel Controls LED and push button description LED and Push Button DescriptionDescription Action Cause. See 12.0 Communication Interfaces for PC terminal Event Controls Key Lockout Switch Normal System Startup Operations Manual Transfer / Preferred Source Selection Maintenance Bypass 109 Normal System Shutdown When the Liebert STS2 is operating on bypass Specifications System ConfigurationFrequency Input/Output Voltage Electrical Requirements GroundingInput Surge Suppression Response Time Frame and Enclosure System ComponentsCasters, Leveling and Seismic Anchoring Cooling Cable Entrance AccessDoors Color Graphical Display or LED Display 15.2.9 RS-232 Port Pin Signal Name Function / CommentsTerminal Port Connections MTA plug pinout Parameter Setting RS-232 settings15.2.11 RS-232 Interface Parameters Fuseless Design Key Event Message Help TextS1 SCR Short S2 SCR Short S2 SCR Open 119 120 S1 Volt Sense Fail S2 Volt Sense FailS1 SCR Sense Fail S1 Curr Sense Fail S2 SCR Sense FailS2 Curr Sense Fail S1 Gate Drive Fail S2 Gate Drive Fail Heat Sink Overtemp S1 UV S1 UV RMSS1 OV S1 OF/UF S1 FailS2 UV S2 UV RMS S2 OVS2 UF/OF S2 Fail S2 I-PEAK S1 I-PEAK 130 CB5 S1 BYP Closed 132 133 134 135 136 137 Maintenance Testing the Liebert STS2Proper Tightening of Nuts and Bolts Changing the Air Filter Support Information Channel Programmable Relay Board Settings Record Channel PRB Notes Input Contact Isolator Settings Record Page Is t Ne tTwor k Care