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UPS2000-G-3 kVA
User Manual (CTC)

2 Quick Introduction

Issue 02 (2019-05-05)

Quick Introduction

2.1 Model Description

Figure 2-1

Model number

Table 2-1

Model number details

No.

Item

Description

Product category

UPS

Product family

2000: Power ≤ 20 kVA

UPS subcategory

G: series name

Output capacity

3K: 3 kVA

Input system

V1: 100V

Machine type

DR: The standard model is derated.

2.2 Working Principle

2.2.1 Conceptual Diagram

Figure 2-2

shows the UPS conceptual diagram.

Содержание UPS2000-G-3 kVA

Страница 1: ...UPS2000 G 3 kVA User Manual CTC Issue 02 Date 2019 05 05 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...stomer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to ...

Страница 3: ...es and life support equipment The UPS is of C2 class A If a C2 class A UPS is used in residential areas additional measures must be taken to prevent radio frequency interferences Intended Audience This document is intended for Sales engineers Technical support engineers System engineers Hardware installation engineers Commissioning engineers Data configuration engineers Maintenance engineers Symbo...

Страница 4: ...rmance deterioration or unanticipated results NOTICE is used to address practices not related to personal injury Calls attention to important information best practices and tips NOTE is used to address information not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all the cha...

Страница 5: ...onceptual Diagram 9 2 2 2 Working Modes 10 2 3 Appearance 11 2 4 Optional Components 16 3 Installation 17 3 1 Preparations 17 3 1 1 Site 17 3 1 2 Tools 18 3 1 3 Power Cables 19 3 1 4 Unpacking and Checking 21 3 2 Installation Procedure 21 3 3 Installing a Backfeed Protection Device 22 3 3 1 Backfeed Protection Device Specifications 22 3 3 2 Feedback Prevention Connections With Dry Contract Control...

Страница 6: ...4 Control Screen 44 4 6 5 About Screen 45 5 Operations 47 5 1 Checking Before Powering On the UPS 47 5 2 Starting the UPS 47 5 2 1 Starting the UPS in Normal Mode 48 5 2 2 Starting the UPS in Battery Mode 49 5 3 Shutting down the UPS 50 5 4 Performing EPO 50 6 Communications 52 7 UPS Maintenance 53 8 Troubleshooting 55 9 Technical Specifications 57 A Alarm Handling 61 B Acronyms and Abbreviations ...

Страница 7: ...e precautions and special safety instructions provided by Huawei when operating Huawei products Huawei will not be liable for any consequences that are caused due to violations regarding general safety regulations and equipment design production and usage safety standards Declaration Huawei does not take responsibilities for the following situations Operation under severe environments that are not...

Страница 8: ...ace or change the devices or components including software Operation personnel must report faults or errors that might cause serious safety issues to related owners This product should be installed and used according to the installation and technical specification requirements found in this manual Otherwise the product may be damaged and the resulting product exceptions or component damage will be...

Страница 9: ...installation rack Ensure ventilation vents are unblocked while the system is operating Before powering on the device ensure that all the screws inside it are securely tightened and will not fall off during operation After the installation remove packing materials from the equipment area Replace danger signs that have worn out or are unreadable A UPS can be used to serve resistive capacitive loads ...

Страница 10: ... AC power supply to prevent electric shocks The UPS can generate high leakage currents Using a circuit breaker that has the leakage current protection function is not recommended The leakage current of the 3 kVA UPS is less than or equal to 70 mA When selecting the earth leakage circuit breaker ELCB consider the leakage current of the UPS and downstream loads Power Cable Do not install or remove p...

Страница 11: ...uct under areas prone to water leakage such as near air conditioner vents ventilation vents or feeder windows of the equipment room Ensure that there is no condensation inside the product or equipment room Ensure that no liquid enters the product Otherwise short circuits will occur and may result in serious injury or death If any liquid is detected inside the product immediately disconnect the pow...

Страница 12: ...pan may be affected Do not place the device in an environment that has inflammable and explosive air or gas Do not perform any operation in this kind of environment If the valid mains voltage exceeds 320 V AC the UPS may be damaged Any operation on any electrical device in an environment that has inflammable air can cause extreme danger Strictly obey the operating environmental requirements specif...

Страница 13: ...fans until the fans are switched off and have stopped running 1 5 Laying Out Cables Binding Signal Cables Signal cables must be bound separately from strong current cables and high voltage cables Laying Out Cables When the temperature is low a violent strike or vibrations may damage the cable sheathing To ensure cable safety comply with the following requirements Cables can be laid or installed on...

Страница 14: ...atures ensure a sufficient distance between cables and the DC busbars shunts and fuses Cables prepared by the customer should be flame resistant Cables must not be routed behind the air exhaust vent of the cabinet The air exhaust vent should not be blocked by any object Before connecting a cable ensure that the cable and cable label to be used meet the actual installation requirements ...

Страница 15: ...n Figure 2 1 Model number Table 2 1 Model number details No Item Description 1 Product category UPS 2 Product family 2000 Power 20 kVA 3 UPS subcategory G series name 4 Output capacity 3K 3 kVA 5 Input system V1 100V 6 Machine type DR The standard model is derated 2 2 Working Principle 2 2 1 Conceptual Diagram Figure 2 2 shows the UPS conceptual diagram ...

Страница 16: ...sconnected the DC DC step up transformer boosts the DC power supplied from batteries Then the inverter converts the DC power into stable AC power for powering loads Bypass mode The mains supplies power directly to loads after filtering The UPS transfers to bypass mode when overload overtemperature or faults occur This mode does not provide battery backup capability Economy control operation ECO mo...

Страница 17: ...3 Appearance UPS Figure 2 3 UPS Front and rear views 1 Control panel 2 AC input ports mains and bypass 3 Battery terminals 4 EPO port 5 Maintenance bypass port MBS 6 Parallel ports 7 CAN communications ports MON1 and MON2 8 USB port 9 Battery temperature sensor port 10 Optional card slot 11 AC output ports pL and sL ...

Страница 18: ...OUT Communications port 4 GND Protective ground M6 screw 5 RUN Running indicator For details see Table 2 5 ALM Alarm indicator CHG Charge indicator DCHG Discharge indicator 6 MANUAL ON OFF Button for manual power on off This is a contact button used for manual power on off and maintenance 7 PWR ESMU port for connecting to an external power source The ESM can be activated if the PWR port is supplie...

Страница 19: ...or CAN communication Table 2 4 DO1 and DO2 port definitions Silk Screen Definition Description Alarm Status DO1 Fault major alarm If the ESM raises one of the following alarms the dry contact supplies an alarm signal Cell voltage sampling fault cell temperature sampling fault charge converter output short circuit relay coil short circuit charge low temperature protection discharge low temperature ...

Страница 20: ...t loaded excluding sleep when the power port or PWR port is energized Off The ESM is in sleep mode Blinking at 0 5 Hz The LCD user interface LUI is querying data Blinking at 4 Hz Communication is disconnected ALM Fault indicator Red Steady on There is a fault or major alarm Off There is no fault or major alarm CHG Charge indicator Green Steady on The ESM is being charged Off The ESM is open circui...

Страница 21: ...tifier is loading an application program Alarm indicator Yellow Steady on The rectifier generates an alarm for power limiting due to ambient overtemperature The rectifier generates an alarm for shutdown due to ambient overtemperature or undertemperature The rectifier shuts down due to overcharge The rectifier shuts down due to system current limiting The rectifier protects against AC input overvol...

Страница 22: ...r is running properly 2 4 Optional Components Table 2 7 Optional components Compone nt Model Function Remarks Dry contact card RMS RELAY0 1A Provides six alarm dry contact outputs normal mode battery mode bypass mode low battery voltage bypass backfeed and UPS faults and two dry contract control inputs one is the shutdown signal input and the other is reserved N A ...

Страница 23: ... not install the UPS in an environment outside the specifications Keep the UPS far away from water heat sources and flammable and explosive substances Install the UPS in an environment free of dust volatile gas salt and corrosive materials Avoid direct sunlight Do not install the UPS in environments with conductive metal scraps in the air The ideal operating temperature for batteries is 20 30º C T...

Страница 24: ...rance of at least 500 mm respectively from the front and rear panels of the UPS to the wall or adjacent equipment to facilitate ventilation and heat dissipation as shown in Figure 3 1 Figure 3 1 Reserved clearances 3 1 2 Tools Get installation tools insulated to prevent electric shocks Table 3 1 lists the installation tools Table 3 1 Tools Tools Clamp meter Multimeter Label Phillips screwdriver PH...

Страница 25: ... 19 Tools Flat head screwdriver 2 mm x 80 mm Torque screwdriver Crimping tool Diagonal pliers Wire stripper Polyvinyl chloride PVC insulation tape Cotton cloth Brush Heat shrink tubing Heat gun Electrician s knife Protective gloves ESD gloves Insulated gloves Hydraulic pliers Cable tie 3 1 3 Power Cables ...

Страница 26: ... power cable L N PE 25 mm2 25 mm2 M6 OT terminal 4 8 N m PDU AC output power cable L N PE 6 mm2 6 mm2 M4 OT terminal 2 8 N m UPS output power cable sL N PE 6 mm2 OT 6 mm2 M4 terminal OT 6 mm2 M6 terminal OT 6 mm2 M6 90 terminal 2 8 N m UPS input power cable L N PE 6 mm2 OT 6 mm2 M4 terminal 6 mm2 M6 OT terminal 2 8 N m UPS battery cable N N PE 6 mm2 OT 6 mm2 M6 terminal OT 6 mm2 M6 90 terminal OT ...

Страница 27: ...y are heavy Exercise caution when moving them Prevent the battery pack from falling over otherwise fire accidents may occur Remove rings watches and other metal objects when you move the battery pack To prevent shocks or falls move the UPS gently After placing the UPS in the installation position unpack it carefully to prevent scratches Procedure Step 1 Visually inspect the UPS appearance for ship...

Страница 28: ...tage across wiring terminals When battery mode is unavailable or the mains fails the UPS internal voltages or energy may flow back directly or through a leakage path to an input terminal To minimize the risk of electric shocks install a backfeed protection device on the input side Table 3 3 Rated voltages and currents for backfeed protection contactors Model Rated Voltage and Current Recommended C...

Страница 29: ...le routing meets engineering requirements 2 Cable connections Input cables output cables and battery cables are tightened to specified torques using a torque wrench connected correctly and free of damage 3 Cable connections for USB ports and network ports Cables to USB ports and network ports are connected correctly and securely 4 Labels Labels are neatly attached to both ends of each cable and th...

Страница 30: ...Co Ltd 24 No Item Expected Result resistance between the UPS ground cable and the equipment room ground bar which must be less than 0 1 ohm 6 Distances between cable ties Distances between cable ties are the same and no burr exists 7 Operating environment Clean the conductive air and other sundries ...

Страница 31: ...trols UPS running displays running data and allows you to set parameters and view alarms Figure 4 1 shows the control panel Figure 4 1 Control panel 1 Mains indicator 2 Battery indicator 3 Bypass indicator 4 Fault indicator INFO button 5 Startup Enter Battery Self Check Mute button 6 Down button 7 Up button 8 Shutdown Back button 4 2 Indicators Table 4 1 describes the indicators on the control pan...

Страница 32: ...in ECO mode when the mains indicator and bypass indicator are both on 4 3 Functional Buttons The control panel provides five buttons to start and shut down the UPS and set parameters Table 4 2 describes the buttons Table 4 2 Button description Butt on Meaning Description ESC Shutdown Back On the default screen press ESC for more than 5 seconds Release the button when you hear a beep sound The inve...

Страница 33: ...the active alarm information When no alarm is generated press i to return to the default screen Battery self check After the UPS starts in normal mode it transfers to battery mode for 10 seconds to check that the battery status if no battery is connected No battery is displayed and that the UPS can transfer to battery mode The purpose is to prevent power backup failure when the UPS needs to transf...

Страница 34: ...tes normal mode The dotted line indicates non normal mode 2 Input voltage and frequency 3 Load power 4 Output voltage current and frequency 5 Bypass mode The solid line indicates bypass mode The dotted line indicates non bypass mode 6 Battery voltage and capacity displayed during charge Battery discharge time and capacity displayed during discharge 7 Battery mode The solid line indicates battery i...

Страница 35: ...rging N A N A 4 6 LCD Menu Hierarchy Figure 4 3 Main Menu screen Table 4 5 LCD menu hierarchy Main Menu Second Level Menu Third Level Menu Status Mains Input N A Bypass Input N A Battery Status N A Inverter Output N A UPS Output N A Local UPS Load N A Parallel System Load N A Environment Monitoring N A Runtime N A Alarms Active Alarms N A Historical Alarms N A Sort Alarms N A ...

Страница 36: ...nication Card N A System Parameters Parallel Output Bypass ECO Self Load Others Battery Parameters N A Settings wizard Language System Parameters Battery Parameters Restore Default Settings N A Control Startup N A Shutdown N A Replace Batteries N A Maintain Batteries N A Sync Paral Param N A Reset Password N A About Model N A ESN N A Version N A 4 6 1 Status Screen On the Main Menu screen select S...

Страница 37: ...yed on the Mains Input screen Bypass Input Screen Figure 4 5 Bypass Input screen Voltage parameter Voltage displayed on the Bypass Input screen Frequency parameter Frequency displayed on the Bypass Input screen Battery Status Screen Figure 4 6 Battery Status screen Battery voltage parameter Battery string voltage Battery current parameter Battery string current is displayed during battery charge a...

Страница 38: ...time The value is NA during battery charge Inverter Output Screen Figure 4 7 Inverter Output screen Voltage parameter Voltage displayed on the Inverter Output screen Current parameter Current displayed on the Inverter Output screen Frequency parameter Frequency displayed on the Inverter Output screen UPS Output Screen Figure 4 8 UPS Output screen Voltage parameter Voltage on the UPS Output screen ...

Страница 39: ...ad ratio parameter Load ratio displayed on the Local UPS Load screen Environment Monitoring Screen Figure 4 10 Environment Monitoring screen Ambient temp parameter Temperature detected by the ambient temperature and humidity sensor used together with an SNMP card if the sensor is not connected NA is displayed Ambient humidity parameter Temperature and humidity sensor humidity Install an SNMP card ...

Страница 40: ...ld down for 2 5 seconds to mute it The buzzer is muted when you release the button When the buzzer is mute it can not be buzzes again until a new alarm is generated Active Alarms Screen The Active Alarms screen displays the active alarm information such as the alarm serial number severity ID and name Figure 4 12 Active Alarms screen If an alarm is generated press the INFO button on the default scr...

Страница 41: ...occurrence time or severity Figure 4 14 Sort Alarms screen Occurrence latest first parameter Alarms are sorted by occurrence time The latest alarms are listed first Level highest first parameter Active alarms are displayed by severity The most critical alarms are listed first is displayed next to a selected Sort Alarms Clear Alarms Screen Clear the alarms that you can clear manually Figure 4 15 Cl...

Страница 42: ...gs Screen Figure 4 17 Basic Settings screen Language parameter You can select Chinese English preset Turkish French and Russian Change Password parameter You can change the password by choosing Settings Basic Settings Change Password The preset password is 000001 The password allows you to enter the Settings screen Change Feature Code parameter You can change the feature code by choosing Settings ...

Страница 43: ...lected for the SNMP card you cannot set the IP address of the SNMP card on the UPS monitor You are advised to update the version of the UPS monitor IP address parameter Set an IP address for the SNMP card The value ranges from 1 0 0 0 to 223 255 255 255 The default value is 192 168 0 10 Subn mask parameter Set a subnet mask for the SNMP card The value ranges from 0 0 0 0 to 255 255 255 255 The def...

Страница 44: ...pass mode parameter Set the output dry contact associated with bypass mode When the UPS is in bypass or ECO mode this dry contact is enabled The value ranges from Dry contact1 to Dry contact6 The default value is Dry contact3 Batt undervolt parameter Set the output dry contact associated with low battery voltages When the system battery voltage is low this dry contact is enabled The value ranges f...

Страница 45: ...fault and Automatic If the value is Automatic the power on bypass frequency ranges from 40 Hz to 55 Hz and the system output frequency is 50 Hz if the power on bypass frequency ranges from 55 Hz to 70 Hz excluding 55 Hz and the system output frequency is 60 Hz The parameter is configurable after the inverter shuts down Volt adj coef parameter You can adjust the inverter rated output voltage The va...

Страница 46: ...e difference between the bypass voltage and the rated output voltage exceeds this value the system determines that the bypass voltage is abnormal and that the bypass is unavailable The Min voltage parameter is associated with the system voltage level The default value is 15 If the voltage system is 100 V the values include 10 and 15 If the voltage system is 110 V the values include 10 15 and 20 If...

Страница 47: ...r shuts down Frequency range parameter ECO frequency range In ECO mode when the difference between the bypass frequency and the rated frequency is greater than this range the system determines that the ECO frequency is abnormal and transfers to normal mode The frequency range must be less than the current bypass frequency range The values include 0 5 Hz 1 Hz 2 Hz default and 3 Hz The parameter is ...

Страница 48: ...Enabled otherwise set it to Disabled The values include Disabled and Enabled The default value is Disabled The parameter is configurable after the inverter shuts down When you install a transformer on the output side you must connect the load to the pL terminal and disable power segment Generator mode parameter The values include Weak adaptability mode Balance mode and Strong adaptability mode The...

Страница 49: ...ited The parameter is configurable in non battery mode or non battery ECO mode If you expect the battery discharge time to be greater than 24 hours set Max time to 0 hour Otherwise the system may power off If you set Max time to 0 hour the battery string may remain in the small current discharge state according to the proportion of the battery capacity to the load power which affects the battery l...

Страница 50: ...e 5 kW value range 0 1 10 kW Restoring Factory Settings You can restore factory settings after the inverter shuts down 4 6 4 Control Screen On the Main Menu screen select Control and press The Control screen is displayed Startup Menu The Startup menu allows you to restart the inverter Shutdown Menu The Shutdown menu allows you to shut down the inverter Maintain Batteries Menu Shallow Discharge Tes...

Страница 51: ...tting the password Control Buzzer Control Buzzer control the buzzer on off If the buzzer on click Control Buzzer transfer to Buzzer off Figure 4 31 Buzzer off screen If Control Buzzer is used for muting the alarm tone the alarm tone should be unmuted by using Control Buzzer or power on the UPS again Otherwise when a new alarm is generated it cannot buzz again If the buzzer off click Control Buzzer...

Страница 52: ... 6 kVA and UPS 10 kVA Model parameter The UPS model is 3K UPS ESN parameter This item provides the UPS ESN Version parameter This item provides the UPS version MU1MSW1 parameter This item provides the main monitoring software version PU1RSW1 parameter This item provides rectifier power software version PU1RSW2 parameter This item provides the rectifier logic software version PU1ISW1 parameter This...

Страница 53: ...etween the UPS and batteries Input circuit breakers and load circuit breakers are OFF Power cables and signal cables are correctly identified The input phase sequence is correct Cables are neatly routed and securely bound Devices are installed and cables are routed in ways that facilitate modification capacity expansion and maintenance Parallel cables are properly connected The UPS is properly gro...

Страница 54: ... 1 Press and hold the MANUAL ON OFF button on each lithium battery for at least 5s and less than 15s to activate the lithium battery Step 2 Close the upstream AC input circuit breaker for the UPS based on site requirements The initialization screen is displayed Step 3 The UPS enters bypass mode When the initialization is complete perform the following operations Initial startup On the Settings wiz...

Страница 55: ...with higher power and then loads with lower power End 5 2 2 Starting the UPS in Battery Mode Procedure Step 1 Press and hold the MANUAL ON OFF button on each lithium battery for at least 5s and less than 15s to activate the lithium battery Step 2 Press on the control panel The LCD starts The initialization screen is displayed Initial startup When the initialization is complete the Settings wizard ...

Страница 56: ...rs to bypass mode The two methods are called shutdown operations in this section Shutting down the UPS Step 1 Shut down the loads Step 2 Perform shutdown operations on the UPS The inverter shuts down The UPS transfers to bypass mode Step 3 Open the upstream AC input circuit breaker for the UPS based on site requirements the UPS downstream AC output switch Step 4 Press and hold the MANUAL ON OFF bu...

Страница 57: ...on a single UPS Connect an external switch to the EPO port on the UPS After you turn on the switch the inverter shuts down and the UPS will not transfer to bypass mode Output terminals completely power off which meets the EPO purpose The external EPO switch switch or dry contact signals controlled by a switch is provided by the customer ...

Страница 58: ...Contact Card The RMS RELAY01A is installed in an optional card slot and supports hot swap The dry contact card provides six alarm dry contact outputs normal mode battery mode bypass mode low battery voltage bypass backfeed and UPS faults and two dry contract control inputs one is the shutdown signal input and the other is reserved ...

Страница 59: ...ularly based on the following requirements Otherwise the UPSs may fail to operate properly and the lifespan may be shortened Table 7 1 Routine maintenance items for UPSs Check Item Expected Result Troubleshooting Maintenance Interval Operating environment Ambient temperature 0 40 C Humidity 0 95 RH non condensing If the humidity and temperature are abnormal check the air conditioner status If the ...

Страница 60: ...an the dust especially in the front panel Quarterly Parameter Check the output voltage level and frequency the number of batteries and the actual battery capacity Reset the parameters Quarterly Power cables and terminals between the UPS and the power distribution cabinet The insulation layers of cables are intact and terminals are free from noticeable sparks Replace the cables Secure the output te...

Страница 61: ...s not connected Check the input power cable connection The input voltage exceeds the limit Use a multimeter to check that the UPS input voltage meets specifications 2 The mains is normal but the AC input indicator is off The UPS runs in battery mode The mains switch is OFF Turn on the mains switch The input power cable is not securely connected Check the input power cable connection 3 The UPS does...

Страница 62: ...ut down the UPS immediately and cut off the input power supply Contact local Huawei technical support 8 The battery indicator is blinking yellow The buzzer buzzes 1 second and then stops 1 second The battery capacity is insufficient The UPS is shutting down The remaining battery capacity is insufficient The UPS is shutting down and the loads are powering off Parameters settings of battery number o...

Страница 63: ...nput electrical specifications Power input and output system Single phase input single phase output Rated input voltage 100 V 110 V 120 V Input voltage range 73 144 V mains startup voltage 80 V Input frequency range 40 70 Hz Total harmonic distortion current THDi 5 linear full load 8 non linear full load Input power factor 0 98 full load Bypass input electrical specifications Bypass voltage range ...

Страница 64: ...dynamic response recovery time 60 ms non linear load 20 ms linear load Output power factor 1 Automatic overload recovery Supported Overload capability Mains inverter mode When the UPS is overloaded to a range between 105 and 125 the UPS transfers to bypass mode in 5 minutes if the bypass line is normal or disconnects the power output if the bypass line is abnormal When the UPS is overloaded to a r...

Страница 65: ...gory C3 Susceptibility of low frequency signals IEC61000 2 2 Electrostatic discharge immunity IEC 61000 4 2 Conducted susceptibility IEC 61000 4 6 Radiated susceptibility IEC 61000 4 3 Electrical fast transient burst IEC 61000 4 4 Surge IEC 61000 4 5 Power frequency magnetic field IEC 61000 4 8 Harmonic current IEC61000 3 12 Flashing IEC61000 3 11 input current 16 A IEC61000 3 3 input current 16 A...

Страница 66: ...Ripple and noise 200 mV IP rating IP40 Other requirements Indoor scenario There is no conductive dust corrosive gas or explosion hazard Dust corrosive substances pests molds and other indicators should be controlled in accordance with class 3 1 requirements in ETSI EN 300 019 1 3 V2 3 2 or a later version Outdoor scenario There is no conductive dust corrosive gas or explosion hazard Dust corrosive...

Страница 67: ...he mains frequency is not in the range of 40 Hz to 70 Hz Measures Check whether the mains input voltage is less than 139 V If not wait until the mains recovers Check whether the mains input voltage is greater than 80 V If not wait until the mains recovers Check the mains input frequency If the mains input frequency is abnormal wait until the mains input recovers 0001 02 Minor 0001 03 Minor 0004 01...

Страница 68: ...normal mode even when the mains is normal Possible cause The mains voltage fluctuates frequently The UPS has transferred from normal mode to battery mode within 2 minutes for 10 consecutive times The rectifier locks out in battery mode Measure Check the mains 0008 01 Rect start overlimit Minor Manual clear Power off clear The UPS cannot start Possible cause The mains voltage frequently becomes abn...

Страница 69: ...tic clear If the inverter has not started the system has no output and inverter startup is prohibited If the inverter has started the inverter still works properly but the system cannot transfer to bypass mode Possible cause The bypass input neutral wire is not connected Measures Check that bypass input power cables are correctly connected 0014 01 Start timeout Critical Manual clear Power off clea...

Страница 70: ...le causes The ambient temperature exceeds the battery high temperature alarm threshold default value 50º C The battery charge discharge current exceeds the upper threshold Measures Install more cooling equipment such as air conditioners Control the battery charge discharge current by reducing loads 0025 01 Batt overvolt Minor Automatic clear An alarm is generated and the battery lifespan is affect...

Страница 71: ...ear An alarm is generated and the battery lifespan is affected Possible causes The charger is abnormal Measure Contact Huawei technical support for repair 0028 01 Breaker OFF Critical Automatic clear N A Possible causes The mains input power cables are incorrectly connected The mains input circuit breaker is OFF Measure Check whether mains input power cables are correctly connected If yes switch o...

Страница 72: ...ad is short circuited using a multimeter Check whether cable connections are correct If yes switch on the output circuit breaker 0029 01 Maintain batt Minor Automatic clear The battery backup time is affected Possible causes The battery loop cannot be discharged The battery module generates an alarm or is faulty Measures Check battery connections and the status of each battery Contact Huawei techn...

Страница 73: ...le causes The configured number of batteries is less than the actual number The actual number of batteries does not meet specifications The charger is abnormal Measures Check that the configured number of batteries matches the actual number Check that the actual number of batteries meets requirements Disconnected the external battery charger check whether the alarm is cleared If not contact Huawei...

Страница 74: ... Rectifier fault Critical Manual clear Power off clear The UPS cannot be started Possible causes The mains input harmonic is large The rectifier startup circuit is damaged Measures After you rectify the fault restart the UPS Contact Huawei technical support for repair 0040 04 Rectifier fault Critical Manual clear Power off clear Auto matic clear The UPS shuts down The UPS transfers to another work...

Страница 75: ...le cause The hardware is damaged Measure Contact Huawei technical support for repair 0040 07 Rectifier fault Critical Automatic clear The UPS shuts down The UPS transfers to another working mode or shuts down The charger stops working Possible causes The ambient temperature exceeds 40 C The air channel is blocked The fan is abnormal Measures Decrease the ambient temperature Keep the air intake and...

Страница 76: ...asure Contact Huawei technical support for repair 0041 03 Rectifier alarm Minor Manual clear Power off clear The power supply from the UPS and system is not affected Possible cause The bus capacitor is faulty Measure Contact Huawei technical support for repair 0041 10 Rectifier alarm Minor Automatic clear N A Possible cause The load power exceeds the loading capacity of the batteries Measure Reduc...

Страница 77: ...nternal fault Critical Power off clear After the parallel system is powered on an incorrect bypass phase sequence is detected on a UPS The parallel system has not output The parallel system works in inverter mode The newly added UPS has no output because bypass cables are incorrectly connected The parallel system works in bypass mode The parallel system has no output because bypass cables for the ...

Страница 78: ...e ver Critical Manual clear Power off clear The UPS startup is not allowed Possible cause An error occurred during software loading Measure Contact the manufacturer to load software 0044 02 Incompa tible ver Critical Manual clear Power off clear The UPS startup is not allowed Possible cause Software and hardware versions do not match Measure Contact the manufacturer to load software 0044 03 Incomp...

Страница 79: ...rger output is short circuited Measure Rectify battery port short circuits After you clear the alarm restart the UPS If the alarm persists contact Huawei technical support for repair 0045 06 Critical Automatic clear Possible cause The rectifier R4850G2 is faulty Measure Contact Huawei technical support for repair 0045 07 Critical Manual clear Power off clear The charger in the UPS stops The 20 kVA...

Страница 80: ...sure Rectify output port short circuits After you clear the alarm restart the UPS If the alarm persists contact Huawei technical support for repair 0060 05 Inverter fault Critical Automatic clear Possible causes The mains experiences instantaneous high voltage impact The output has special loads such as sensitive loads and rectification loads The output has transformer loads but the transformer mo...

Страница 81: ...for repair 0061 01 Inverter alarm Minor Manual clear Power off clear Auto matic clear The UPS shuts down The UPS may transfer to another working mode or shut down Possible causes Parallel cables are incorrectly connected The lengths of parallel cables vary greatly Measures Reconnect cables The lengths of parallel cables vary within a range of 5 0061 02 Inverter alarm Minor Manual clear Power off c...

Страница 82: ... causes The battery voltage is below the battery protection voltage The battery discharge time exceeds the battery protection time Measures Check the battery voltage Modify the power segment settings on the LCD 0066 01 Output overload Minor Automatic clear Continuous overload causes the UPS to transfer to bypass mode or supply no power Possible cause The load exceeds the rated loading capacity Mea...

Страница 83: ... shuts down The parallel system shuts down Possible causes The parallel cable is loose The parallel cable is damaged Measures Check that the parallel cable is securely connected Replace the parallel cable Contact Huawei technical support for repair 0083 02 Critical 0083 04 Critical Manual clear Power off clear Auto matic clear The UPS shuts down The parallel system transfers to another working mod...

Страница 84: ...of redundant UPSs exceeds the maximum allowed value The load exceeds the rated loading capacity of the requisite UPSs in the parallel system Measures Reduce the number of redundant UPSs or set the system to be non redundant Reduce the load or replace the UPS with a larger capacity UPS 0096 01 Abnorm al ECO volt Minor Automatic clear Transfer to bypass mode is prohibited If the bypass is supplying ...

Страница 85: ...fferent Measure Set the parallel parameters consistently or perform parallel parameter synchronization NOTE After you perform parallel parameter synchronization contact Huawei technical support if some parallel parameters are still inconsistent 0131 01 Ambient overtem perature Minor Automatic clear An alarm is generated Possible causes The ambient temperature in the UPS equipment room exceeds the ...

Страница 86: ... transducer 0134 01 Ambient overhum idity Minor Possible causes The ambient humidity in the UPS equipment room exceeds the alarm threshold default value 90 The temperature and humidity transducer is faulty Measures Check the ambient humidity of the UPS equipment room Replace the temperature and humidity transducer 0135 01 Ambient underhu midity Minor Possible causes The ambient humidity in the UPS...

Страница 87: ...transducer 0158 01 On bypass Minor Automatic clear If the bypass is abnormal the UPS may power off Possible causes The inverter is not started The load exceeds the rated inverter loading capacity The inverter is faulty Measures Check whether other alarms are generated If yes see the other handling methods If no start the UPS manually 0159 01 On battery Minor Automatic clear The UPS may power off i...

Страница 88: ...oad or replace the UPS with a larger capacity UPS 0340 01 Maint breaker ON Minor Automatic clear The UPS transfers to bypass mode Possible cause The maintenance circuit breaker is ON during UPS maintenance Measure Switch off the maintenance circuit breaker after maintenance 61440 01 Flash fault Critical Automatic clear Files may be damaged Possible cause The flash memory cannot be properly read or...

Страница 89: ...fic integrated circuit C CAN control area network CPLD complex programmable logical device D DIP dual in line package DOD depth of discharge DSP digital signal processing E EPO emergency power off ECO economy control operation EOD end of discharge ESD electrostatic discharge ESN equipment serial number H HTTPS Hypertext Transfer Protocol Secure L LCD liquid crystal display ...

Страница 90: ...stem P PFC power factor correction PE protective earthing PL parallel load PVC polyvinyl chloride R RS232 Recommend Standard 232 RS485 Recommend Standard 485 S SELV safety extra low voltage SNMP Simple Network Management Protocol T THDv total harmonic distortion of output voltage TNV telecommunication network voltage U UPS uninterruptible power system USB Universal Serial Bus V VRLA valve regulate...

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