Toshiba 300 KW operation manual Troubleshooting, Emergency Power Off EPO, Types of Errors

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14.9Emergency Power Off (EPO)

Press the EPO switch for immediate shutdown of all power through the UPS. The signal from the EPO is processed as a “hard fault” by the UPS and results in gate-blocks on the transistors and opens all the internal contactors.

To Reset the UPS after triggering the EPO, do the following:

1.Shut Down the UPS as described in section 14.6.

2.Restart the UPS as described in section 14.3.

15 Troubleshooting

When an error occurs in the UPS, error data is displayed on the LCD screen. This section will describe the types of errors, the error messages displayed on the LCD screen and the procedures to correct the errors.

15.1Types of Errors

The following types of errors may occur in the UPS:

 

TABLE 15.1 OPERATION TYPES

 

Name

Description

Fault

Fault (Trip)

The UPS has been tripped and has stopped operating.

 

The UPS is in Bypass mode.

 

 

 

Warning-1 (Input Power Failure)

Power is supplied from the battery. When the warning is

 

 

corrected, power will automatically be supplied from the

 

 

AC input.

 

Warning-2 (Stop and Restart)

The UPS transfers to Bypass supply and the UPS stops

 

 

operating. When the warning is corrected, the UPS will

Warning

 

automatically be restarted and revert to UPS supply.

 

Warning (Operation Control)

An error or a phenomena related to an error occurred.

 

 

Since this problem does not directly affect operation, the

 

 

system switches to synchronized mode.

 

(Guidance)

An error or indication of an error has occurred, but

 

 

operation was not affected.

G8000 Series Installation and Operation Manual

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Contents G8000 Series Page Document July Qualified Personnel only Uninterruptible Power System UPS Toshiba International Corporation PurposeToshiba’s Customer Support Center Toshiba Customer Support CenterTable of Contents 11.4 Introduction Prohibited Symbol indicates do not take action General Safety InstructionsSymbols Qualified Personnel Signal WordsFactory Authorized Personnel Important Safety InstructionsDisclaimer Safety PrecautionsDo not tilt the UPS more than 10 from upright position General MaintenanceKeep the area arround the UPS clean Transporting/UnpackingAvoid vibration or shock exceeding 0.5G Do not transport, move, store, or place the UPS on its sideInspection/Storage Keep the Specified Clearance around the UPS Installation PrecautionsInstall the UPS in a controlled environment Do not block air vents Do not install the UPS where water may fall on itEnvironment standard Installation PrecautionsConductor Routing and Grounding Metal Conduit is not AN Acceptable GroundFollow the torque criteria for tightening screws Wiring/ConnectionPerform wiring and connections with correct polarity Connect only one 1 ground wire to the earth ground terminalFor 100, 150, 225KVA GND 150/225 KVA UPS Warning Labels Model Unit Shipping Weight and Dimensions300 KVA UPS Exterior Dimensions Inches Transporting 8.5 show examples of acceptable and unacceptable operations Transporting By CraneTransporting UPS by Forklift Transporting By ForkliftStorage/Operating Environment Operating PrecautionsPage Qualified Personnel shall Maintenance PrecautionsQualified Personnel only Do not open or mutilate the batteries DisposalDo not dispose of the batteries in a fire Installation UPS Clearance UnpackingAnchor Bolts Anchor Bolt Installation DetailExternal Wiring Diagram UPS WiringBlock Number Cable Size Tightening Torque 11.1 100 kVA Terminal Blocks and Power CablesAC Input Bypass Input AC Output Battery Block Number Cable Size Recommended Fastener Torque YA36LBus Number Cable Size Recommended Fastener Torque Bottom Cable Knockout Plates for 100 KVA T80S3K10KK6XS2H UPS Power Cable Knockout PlatesTerminal Knockout Plates for the 300 KVA UPS Plate #2 Plate #3Be sure to ground the UPS as specified Grounding WireExternal Breakers G8000 100 kVA G8000 150/225 kVA Signal Name Operation Control Wires11 Connection Between UPS, Battery Cabinet & Bypass Breaker 12 Grounding Configuration with Input Neutral Grounded Grounding ConfigurationRecommended Configuration for delta-input Grounding Configuration without input neutral16 Grounding Configuration with CORNER-GROUNDED DELTA-INPUT Grounding Configuration with corner-grounded delta-inputTerms Specification Remarks UPS SpecificationsGeneral Specification Mechanical SpecificationNominal Capacity 150 kW 225 kW 300 kW Do not open the front cover Electrical SpecificationUPS may not respond if the button press is too short Operator InterfaceGraphic Display Panel KEY-SWITCH/OPERATING Buttons Key-Switch and ButtonsGraphic Display Panel LCD/LED Indicators 13.2 LCD/LED IndicatorsName Description LCD Indicators50% Normal DisplayAC-VO AC- I O 50% Volt Freq .0Hz32TIM AC I/P-V Freq .0HzBYP I/P-V Freq .0Hz DC-V BATT-V BATT- I 0A09-09-06 Fault DisplayAbbreveations LCD ScrollOperating the UPS EPO and Control Power Supply Operating SwitchesPerform the pre-operational check before operating the UPS Operation TypesPre-operational Check Procedure to start the UPS is shown in Steps Startup ProceduresAC Vo 480 AC Io 50% Bypass LED is on Switch Power Supply UPS→BypassStop DC-V 0 BATT-V 0 BATT-I 0 a Complete ShutdownMake sure that the Float Charge LED is on Changing Between Float Charge and Equalize ChargeMake sure that the Equal Charge LED is on Types of Errors TroubleshootingEmergency Power Off EPO 09-09-06 Faults and Warnings Data ScreenFault Display LCD Fault & Warning DisplaysLCD Message Indication Description Fault MessagesLCD Message Indication Description Reset LCD Scroll w/ faults or warningsDo not open the front and/or rear panels Contact Toshiba in the event of malfunction or faultRestoring UPS Operation Do not attempt to modify or relocate the UPSPage Page Industrial Division