LUXPOWER SNA3000 WPV ECO Hybrid Inverter User Manual

LUXPOWER SNA3000 WPV ECO Hybrid Inverter

Product Information

The ECO Hybrid Inverter SNA3000 WPV, SNA4000 WPV, and SNA5000 WPV are products of Lux Power Technology Co., Ltd. These inverters are designed to provide uninterrupted power supply for residential and commercial use. The inverter has a parallel function, enabling multiple inverters to be connected in parallel for increased power output.

Features of the Inverter

• Hybrid solar inverter
• Off-grid and grid-tied modes
• Battery charging and discharging management
• Parallel operation function
• AC/DC input/output connection
• PV and generator connection
• Dry contact signal control
• LCD display and settings
• Monitor system for off-grid mode

Interface of the Inverter

The inverter has an LCD display that shows the system status, power output, battery level, and other information. It also has AC and DC input/output ports, PV and generator connectors, and dry contact signal control.

Packing List

• Inverter
• User manual
• AC input/output cable
• PV connector
• Battery power cable
• Dry contact signal cable
• Installation kit

Specifications

Product Usage Instructions

• Installation
• The installation of the inverter should be done by a qualified person with knowledge of electrical safety standards and local regulations. Before installation, read the user manual carefully and follow the instructions provided.
• Preparation
• Before installing the inverter, check the packing list to ensure all components are available. Choose a suitable location for the inverter, keeping in mind the ventilation requirements and the distance from other electrical devices. Ensure the installation site is dry and not exposed to direct sunlight.
• Mounting the Unit
• Mount the inverter on a solid and flat surface using the installation kit provided. Ensure that the inverter is securely attached and does not move or vibrate during operation.
• Battery Connection
• Connect the battery to the inverter using the battery power cable provided. Ensure that the battery is fully charged and has the correct voltage rating.
• Battery Power Cable Connection
• Connect the battery power cable to the positive and negative terminals of the battery. Ensure that the cable is securely attached and does not touch any other metal objects.
• Lithium Battery Connection
• If using a lithium battery, connect it to the inverter according to the manufacturer’s instructions. Ensure that the battery has the correct voltage rating and is compatible with the inverter.
• AC Input/Output Connection
• Connect the AC input/output cable to the inverter and ensure that it is securely attached. The AC input/output cable should be connected to a suitable power source, such as a generator or utility grid.
• PV Connection
• Connect the PV connector to the inverter and ensure that it is securely attached. The PV connector should be connected to a solar panel or array with the correct voltage rating.
• Generator Connection
• Connect the generator to the inverter using the AC input/output cable provided. Ensure that the generator is compatible with the inverter and has the correct voltage rating.
• Dry Contact Signal Control
• Connect the dry contact signal cable to the inverter and ensure that it is securely attached. The dry contact signal cable is used to control the inverter using an external signal.
• Parallel Function
• If using multiple inverters in parallel, follow the instructions provided in the user manual for connecting the inverters. Ensure that the inverters are compatible and have the same specifications.
• Power ON/OFF
• To turn on the inverter, press the power button located on the front panel. To turn off the inverter, press and hold the power button for 3 seconds.
• Working Modes
• The inverter has off-grid and grid-tied modes, which can be selected using the LCD display. The off-grid mode is used when there is no power supply from the utility grid, while the grid-tied mode is used when there is a power supply from the utility grid.
• Offgrid Modes Introduction
• The off-grid mode has several sub-modes, including battery first, PV first, and AC first. The battery first mode uses the battery as the primary power source, while the PV first mode uses solar power as the primary source. The AC first mode uses the utility grid as the primary source.
• Working Modes Related Setting Description
• The working modes can be configured using the LCD display. Follow the instructions provided in the user manual for setting up the working modes.
• LCD Display and Settings
• The inverter has an LCD display that shows the system status, power output, battery level, and other information. The LCD settings can be configured using the buttons located on the front panel.
• LED Display
• The LED display shows the system status, indicating whether the inverter is on or off, and whether there is a fault or error.
• LCD Display
• The LCD display shows more detailed information about the system, including the power output, battery level, and working mode.
• Inverter Status Display
• The inverter status display shows the status of the inverter, including the input/output voltage and frequency, and the power output.
• LCD Settings
• The LCD settings can be configured using the buttons located on the front panel. Follow the instructions provided in the user manual for setting up the LCD display.
• Monitor System for Offgrid
• The inverter has a monitor system for off-grid mode, which can be accessed using the monitor app. Download the app from the Lux Power website and follow the instructions provided in the user manual for setting up the monitor system.
• Trouble Shooting & Error List
• If there is a fault or error with the inverter, refer to the error list provided in the user manual for troubleshooting steps. If the issue cannot be resolved, contact Lux Power customer support for assistance.

Information on this Manual

Validity

• This manual is valid for the following devices:SNA3000 WPV/SNA4000 WPV/SNA5000 WPV

Scope

• This manual provides the installation, operation and troubleshooting of this unit, please read this manual carefully before installations and operations.

Target Group

• For qualified persons and end users. Qualified persons and end users must have the following skills:
• Knowledge about this unit operation
• Training in deal with the security issues associated with installations and electrical safety Training in the installation and commissioning of electrical devices and installations
• Knowledge of the applicable local standards and directives

Safety Instructions

WARNING: This chapter contains important safety and operating instructions. Read and keep this manual for future reference.

• All the operation and connection need to be operated by qualified persons.
• Before using the unit, read all instructions and cautionary marking on the unit. Any damage caused by inappropriate operation is not warranted by Luxpower .
• All the electrical installation must comply with the local electrical safety standards.
• Do not disassemble the unit. Take it to a qualified service center when service or repair is required, incorrect re-assembly may result in a risk of electric shock or fire. Do not open inverter cover or change any components without Luxpower’s authorization, otherwise the warranty commitment for the inverter will be invalid.
• To reduce risk of electric shock, disconnect all wirings before attempting any maintenance or cleaning, turning off the unit will not reduce this risk.
• CAUTION-To reduce risk of injury, charge only deep-cycle lead-acid type rechargeable batteries and lithium batteries, other types of batteries may burst, causing personal injury and damage.
• NEVER charge a frozen battery.
• For optimum operation of this unit, please follow required spec to select appropriate cable size and breaker.
• Please strictly follow installation procedure when you want to disconnect AC or DC terminals, please refer to INSTALLATION section of this manual for the details.
• GROUNDING INSTRUCTIONS -This unit should be connected to a permanent grounded wiring system, be sure to comply with local requirements and regulation to install this inverter.
• NEVER cause AC output and DC input short circuited. Do not connect to the mains when  DC input short circuits.

Brief Introduction

Features of the inverter

• SONAR series is a multifunctional, high frequency pure sine wave ECO Hybrid inverter solar inverter, features:
• Applicable for pure off grid inverter/ backup power / self-consumption / on grid situation Integrated with 2 MPPT solar charge controllers, MPPT ranges 120V~385V
• Rated power 5KW, power factor 1
• Be able to run with or without battery in ongrid and offgrid mode
• With separated generator input interface, able to control generator remotely
• Solar and utility grid can power loads at the same time
• With integrated advanced parallel function, up to 10pcs max paralleling
• Support CAN/RS485 for Li-ion battery BMS communication
• WIFI/ GPRS remote monitoring , setting and firmware update, support website, free IOS/Android APP

Interface of the inverter

Packing List

• Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items in the package:

Storing the Inverter

• The inverter must be stored appropriately if not installed immediately, refer to below figure.

CAUTION

• a) The inverter and its components must be stored in its original packaging.
• b) The storage temperature should be within -25~60 and humidity within 0~85%.
• c ) The packing should be upright and maximum stacked layers is 6 .
• d ) Do not directly exposed the inverter and its packaging to sunshine, raindrops and keep away from corrosion.

Installation

Preparation

The system connection is as below:

• Please prepare the breakers and cables in advanced before installation.
• Battery connection: For safety operation and regulation compliance, it’s requested to install a separate DC over-current protector or disconnect device between battery and inverter. The recommend battery capacity is 150AH-200AH, the recommended spec of DC breaker is 150A/60V. Recommended battery cable and terminal size:

AC connection: Please install a separate AC breaker between inverter and AC input power source, inverter and AC output load. This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input. The recommended spec of AC breaker is 32A. Recommended AC input/ AC output /GEN cable size for each inverter.

PV Connection: Please install separately a DC circuit breaker between inverter and PV modules. The recommended of DC breaker is 600V/20A. It’s very important for system safety and efficient operation to use appropriate cable for PV module connection. To reduce risk of injury, please use the proper recommended cable size as below:

Before connecting all wiring, please take off bottom cover by removing 3 screws as shown below.

Mounting the Unit

• Notice: Consider the following points before selecting where to install
• Mount on a solid surface
• Do not mount the inverter on flammable construction materials.
• For proper air circulation to dissipate heat, allow a clearance of approx. 20 cm to the side and approx. 50 cm above and below the unit.
• The ambient temperature should be between 0°C and 55°C to ensure optimal operation.
• The recommended installation position is to be adhered to the wall vertically.

Steps to mounting the unit

• Step1. Use the wall-mounting bracket as the template to mark the position of the 4 holes, then drill 8 mm holes and make sure the depth of the holes is deeper than 50mm.
• Step2. Install the expansion tubes into the holes and tight them, then use the expansion screws (packaged together with the expansion tubes) to install and fix the wall-mounting bracket on the wall.
• Step3. Install the inverter on the wall-mounting bracket and lock the inverter using the security screws.

Battery Connection

Battery Power Cable Connection
Note: for lead acid battery, the recommended charge current is 0.2C( C to battery capacity)

1. Please follow below steps to implement battery connection:
2. Assemble battery ring terminal based on recommended battery cable and terminal size.
3. Connect all battery packs as units requires. It’s suggested to connect at least 200Ah capacity battery for SNA5000 WPV.
4. Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are tightened with torque of 2 ~3Nm. Make sure polarity of the battery is correctly connected and ring terminals are tightly screwed to the battery terminals.

Lithium Battery Connection
If choosing lithium battery for SNA5000 WPV, please make sure the battery BMS is compatible with Luxpower inverter. Please check the compatible list in the Luxpower website.
Please follow below steps to implement lithium battery connection:

1. Connect power cable between inverter and battery
2. Connect the CAN or RS485 communication cable between inverter and battery. If you do not get the communication cable from inverter manufacturer or battery manufacturer, please make the cable according to the PIN definition
3. Lithium battery configuration, in order to communicate with battery BMS, you should set the battery type to “Li-ion” in Program “03” by LCD and choose the right battery brand (for details, please check the LCD setting chapter), users can also choose the battery type and brand by monitor system.

AC Input/Output Connection

CAUTION

• There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis-connect input and output connectors.
• Be sure to connect AC wires with correct polarity. If L and N wires are connected reversely, it may cause utility short-circuited when these inverters are worked in parallel operation.

Please follow below steps to implement AC input/output connection:

1. Before making AC input/output connection, be sure to open DC protector or disconnected first.
2. Remove insulation sleeve 10mm for six conductors. And shorten phase L and neutral conductor N 3 mm.
3. Insert AC input wires according to polarities indicated on terminal block and tighten the terminal screws. Be sure to connect PE protective conductor first.
4. Insert AC output wires according to polarities indicated on terminal block and tighten terminal screws. Be sure to connect PE protective conductor first.
5. Make sure the wires are securely connected.

PV Connection

Please follow below steps to implement PV module connection:

1. Remove insulation sleeve 10 mm for positive and negative conductors.
2. Check correct polarity of connection cable from PV modules and PV input connectors.
3. Connect positive pole (+) of connection cable to positive pole (+) of PV input connector. Connect negative pole (-) of connection cable to negative pole (-) of PV input connector.
4. Make sure the wires are securely connected.
5. Finally, after connecting all wiring, please put bottom cover back by screwing two screws as shown below.

Generator Connection

L→LINE (brown or black) N→Neutral (blue)

1. Before making Generator connection, be sure to open DC protector or disconnected first.
2. Remove insulation sleeve 10mm for 2 conductors.
3. Insert L and N wires according to polarities indicated on terminal block and tighten the terminal screws All lux units can work with generator.

• Users can connect the generator output to ECO Hybrid inverters. GEN input terminal.
• The generator will be automatically started when battery voltage is lower than the cut-off value or there is charge request from BMS. When voltage is higher than AC charge setting value, it will stop the generator
• Battery will get charged when the generator is turned on, and the generator is bypassed to AC output to take all loads .
• The system will use AC first if there is both utility input and generator input.

The capacity of the generator is recommended

It is supported to parallel 2~3 PCS inverter with single phase in single phase parallel system and three phase parallel system to charge battery with Generator! And it is depends on the load performance of the generator too.

Dry Contact Signal control
The Dry port(NO2,COM2,NC2) could be used to deliver signal to external device when battery voltage reaches warning level. The GEN port(NO1,COM1,NC1) could be used to wake-up the Generator and then the generator can charge the battery .

• Notice: NO—Normal open
• Dry Port Relay Maximum Specification: 250VAC 5A
• Gen Port Relay Maximum Specification: 250VAC 5A

Parallel function

• SNA series inverter support up to 10 units to composed single phase parallel system or three phase parallel system, for parallel system setup
• Step1. Cable connection: the system connection is as below:
• Step2. Please put the CAN communication PIN to on status for the first and the end inverter
• Step3. Setup the monitor for the system, add all datalogs in one station. Users can login to the visit interface of monitor system, Configuration->station->Plant Management->add datalog to add the datalogs.
• Step4. Enable share battery for the system if the system share one battery bank, otherwise disable the shared battery function
• Step5. Set the system as a parallel group in the monitor system
• For more detailed guidance for paralleling system, please visit https://www.luxpowertek.com/download/And download the guidance

Power and EPS ON/OFF

1. Power Switch: Control power supply for the unit
2. EPS Output Switch: Use to control the AC output
3. After connection, please turn on both switch. Users can turn off the EPS output switch to turn off power supply in some emergency case

Working modes

ECO Hybrid inverter modes introduction:

Working Modes related setting description

AC abnormal

|

NA

|

NA

|

NA

| off grid inverter mode

if P_Solar>=P_load, solar is used to take load and charge battery  if P_Solar<P_load, solar and battery take the load together, system will discharge until battery lower than the Cut Off Voltage/SOC

AC normal

|

PV&AC Take Load Jointly Enable

|

In the AC first time

|

NA

| Hybrid Mode 1(charge first)

Solar power will used to charge battery first,

1.The solar power will be used to charge the battery first. AC will take load. 2.if solar power is higher than power need to charge the battery, the   extra power will used to take load togther with grid

3.If there is still more energy after charge battery and take the load, it will feed enegry into grid if export to grid function is enabled

Enable AC charge and in the AC charge time

| AC charge accroding to Time| Hybrid Mode 1(charge first)+AC charge battery if solar power is not enough to charge battery

AC charge accroding to battery voltage or SOC

| Hybrid Mode 1(charge first)+AC charge battery if solar power is not enough to charge battery and the battery voltage/SOC is lower than AC start charge voltage/SOC, the AC will stop charging when the battery Voltage/SOC is higher than AC end charge battery voltage/SOC

1.  Not in the AC first time and

2.  Disable AC charge or not in the AC charge time

|

NA

| Hybrid Mode 2(load first)

Solar power will used to take load first,

1. if solar power is lower than load, battery will discharge together to take load until battery lower than EOD voltage/SOC

2. if solar power is higher than load, the extra power will used to charge battery, if there is still more energy, it will feed into grid if enable export

PV&AC Take Load Jointly Disable

| In the AC first time|

NA

| Bypass Mode

AC will take the load and Solar is used to charge battery

Enable AC charge and in the AC charge time

|

AC charge accroding to Time

| Bypass Mode+AC charge battery Solar is used to charge battery

AC will take load and also charge battery during AC charge time if solar power is not enough

AC charge accroding to SOC/Battery voltage

| Bypass Mode+AC charge battery Solar is used to charge battery

AC will take load and also charge battery when battery SOC/Volage is lower than start SOC/Voltage, and the AC will stop charging when the battery Voltage/SOC is higher than AC end charge battery voltage/SOC

1.  Not in the AC first time and

2.  Disable AC charge or not in the AC charge time

|

NA

| off grid inverter mode

if P_Solar>=P_load, solar is used to take load and charge battery

if P_Solar<P_load, solar and battery take the load together, system will discharge until battery lower than EOD Voltage/SOC

1. SONAR can work as traditional off grid inverter or as a hybrid inverter. When disable PV&AC Take load Jointly, it will work as a traditional off grid inverter, otherwise it will work as a hybrid
2. Working as a traditional off grid inverter. In this situation, inverter either use (solar+battery) to take load or use AC take load. Related settings
   • AC First: During the setting time, system will use AC to take load first, use solar power to charge the battery. If the battery is full, solar power may be wasted. When out of the setting time, system will use battery and solar to take load until battery voltage/SOC is lower than cut off voltage/SOC
3. Working as a hybrid inverter. Related settings
4. AC First: During this setting time, system will use AC to take load, use solar power to charge the battery first. If there is extra solar power, extra solar power will take the load. When out of the setting time, system will use solar and battery to take load first until the battery voltage/SOC is lower than On Grid EOD settings, then it will use AC to take the load.
5. Export to Grid/Export Power percent: Users can also enable export function, it is allowed and set export power percent

AC Charge function Disable: The system will not use AC to charge the battery(except Li ion BMS set force charge flag )

• According to Time: During the setting time, system will use AC to charge the battery until battery full and battery will not discharge during the setting time.
• According to Battery Voltage: During the setting time, system will use AC to charge the battery if battery voltage is lower than AC Charge Start Battery Voltage and will stop when Voltage is higher than AC Charge End Battery Voltage. And battery will not discharge during the setting time.
• According to Battery SOC: During the setting time, system will use AC to charge the battery if battery SOC is lower than AC Charge Start Battery SOC and will stop when Voltage is higher than AC Charge End Battery SOC. And battery will not discharge during the setting time.

LCD display and settings

LED Display

slow: Firmware update

2| Red| Flashing| Fault condition occurs in the inverter

LCD Display

1

|

Generally Information Display Area

| Display the currently time/date by default(year/month/day/ hour/ minute” switching automatically). When press Up or Down buttons, this area will display the firmware version information, serial number etc. Display the setting selection information when entering settings
2| On-grid solar inverter output power and energy data| This area shows the data of PV voltage, power and the setting of PV input connection information

3

|

Battery information and data

| This area shows the battery type, battery brand(lithium battery), the lead- Acid battery setting of CV voltage, Floating charging voltage, Cut off voltage, Discharge end voltage . And display the voltage, SOC and power in turns of period of 1 seconds

4

|

System working status

/ setting code

| There are three type of working status- normal, warning and fault, in right side of this area, there are code display, it will display different type of code -the system working mode code, warning code, fault code and setting code
5| UPS/EPS output information and data| When UPS function is enabled, this area will display UPS voltage, frequency, power etc. in turns of periods of 1s

6

| Programming & the percentage of AC output power| When firmware updating in process, it will display relevant information When in grid off, this area will display the Percentage of the maximum AC output power
7| Loads consumption| Display the power consumption by the loads in on grid model

8

| Grid information and Generator information| Display the grid(GRIDA) information of voltage, frequency, input or output power, the Generator (GRIDB) information of voltage, frequency, input power ,switch period of 1s

9

|

Working mode settings area

| When make settings on the SNA5000 inverter through the LCD, this area will display the AC Charge, Force Discharge, Charge First option for setting on those working modes. It will not display those information unless in the setting process.

Inverter Status Display

LCD Settings

Monitor System for ECO Hybrid inverter

• Users can use wifi dongle / WLAN dongle / 4G dongle (Avaiblable from 2021 March for some countries) to monitor the energy storage system, The monitor website is: server.luxpowertek.com
• The APP is also available in the google play and apple APP store(Scan two code bar to download the APP).
• Please download the introduction of guidance by website: https://www.luxpowertek.com/download/Document Reference:

1. Wifi Quick Guidance
   Quick guidance for setting password for wifi module, the paper is also available in the wifi box

2. Monitor system setup for Distributors and Monitor system setup for endusers, Monitor system registration, wifi password setting, and wifi local monitor and setting

3. Lux_Monitor_UI_Introduction Introduction of monitor interface

4. WebsiteSettingGuidance

   • Introduction of website settings for offgrid inverter

Specifications

Table 1 Line Mode Specifications

INVERTER MODEL| SNA5000WPV/SNA4000WPV/SNA3000WPV
Input Voltage Waveform| Sinusoidal (utility or generator)
Nominal Input Voltage| 230Vac
Low Loss Voltage| 170Vac±7V (UPS); 90Vac±7V (Appliances)
Low Loss Return Voltage| 180Vac±7V (UPS); 100Vac±7V (Appliances)
High Loss Voltage| 280Vac±7V
High Loss Return Voltage| 270Vac±7V
Max AC Input Voltage| 280Vac
Nominal Input Frequency| 50Hz / 60Hz (Auto detection)
Output Short Circuit Protection| Software protect when GridOff discharge Circuit Breaker protect when GridOn Bypass
Transfer Time| <20ms @ Single        <30ms @ Parallel
Output power derating: When AC input voltage drops to 170V, the output power will be derated.| Output Power Rated Power 20% Power
**** Charge power derating:

When AC input voltage drops to 170V depending on models, the charge power will be derated.

|
Output power derating: When AC input voltage drops to 200V, the output power will be derated.| Max inv curren: 25A; Max inv Power: 5kW;
Table 2 Inverter Mode Specifications
Rated Output Power| 5KVA/5KW        4KVA/4KW       3KVA/3KW
Output Voltage Waveform| Pure Sine Wave
Output Voltage Regulation| 208Vac/220Vac/230Vac/240Vac±5%
Output Frequency| 50Hz / 60Hz
Peak Efficiency| 93%
Overload Protection| 5s@≥150% load; 10s@110%~150% load
Surge Capacity| 2* rated power within 5 seconds
Battery Voltage Range| 46.4V-60V(Li)       38.4V-60V(Lead_Acid)
---|---
High DC Cut-off Voltage| 59VDC(Li)            60VDC(Lead_Acid)
High DC Recovery Voltage| 57.4VDC(Li)          58VDC(Lead_Acid)

Low DC Warning Voltage

| load < 20%| 44.0Vdc(Settable)
20% ≤ load < 50%| Warning Voltage @load < 20% -1.2V
load ≥ 50%| Warning Voltage @load < 20% -3.6V
Low DC Warning Return Voltage       Low DC Warning Voltage@Different load +2V

Low DC Cut-off Voltage

| load < 20%| 42.0Vdc(Settable)
20% ≤ load < 50%| Cut-off Voltage @load < 20% -1.2V
load ≥ 50%| Cut-off Voltage @load < 20% -3.6V

Low DC Cut-off Return Voltage

| ****

Cut-off Voltage@load<20%≥45V

| Low DC Cut-off Voltage @load<20%+3V
Cut-off Voltage@load<20%<45V| 48V

Low DC Warning SOC| 20% SOC ( Settable )
Low DC Warning Return SOC| Low DC Warning SOC +10%
Low DC Cut-off SOC| 15% SOC (Grid on) ( settable) 15% SOC (Grid off ) ( settable)
Low DC Cut-off Return SOC| Low DC Cut-off SOC +10%
Charge Cut-off Voltage| 58.4Vdc
No Load Power Consumption| <60W
Table 3 Charge Mode Specifications
Utility Charging Mode|
Lead_Acid Battery Charging Algorithm| 3-Step
Max. AC Charging Current| 60Amp(@VI/P=230Vac)

Bulk Charging Voltage

| Flooded Battery| 58.4Vdc
AGM / Gel Battery           56.4Vdc
Floating Charging Voltage                                     54Vdc

MPPT Solar Charging Mode|
Max. PV Array Power| 3200W*2
Start-up Voltage| 100Vdc±10Vdc
PV Array MPPT Voltage Range| 120Vdc~385Vdc
Max. PV Array Open Circuit Voltage| 480Vdc
Max. PV Charging Current| 110A
Max. Charging Current

(AC Charger Plus Solar Charger)

| 110A
Table 4 General Specifications
INVERTER MODEL| SNA5000WPV/SNA4000WPV/SNA3000WPV
Safety Certification| CE
Operating Temperature Range| 0°C to 50°C
Storage temperature| -15°C~ 60°C
Humidity| 5% to 95% Relative Humidity (Non-condensing)
Altitude| <2000m
Dimension(DWH)| 505330135mm
Net Weight| 14.5Kg

Trouble Shooting & Error List

The failures mainly divided into 5 categories, for each category, the behavior is different:

exist, contact us (DSP&M3)
E002| Bat On Mos Fail| Restart inverter, if the error still exist, contact us (DSP&M3)
E003| CT Fail| Restart inverter, if the error still exist, contact us (DSP&M3)
E008| CAN communication error in Parallel System| Check CAN cable connection is connected to the right COM port
E009| No master in parallel system| Check parallel setting for master/Slave part, there should be one master in the system
E010| Multi master in parallel system| Check parallel setting for master/Slave part, there should be one master in the system
E011| AC inconsistent in parallel system| Check if AC Connection is same for all inverters in parallel system
E012| UPS output short circuit| Check if the load is short circuit, try to turn off the load and restart inverter
E013| UPS reserve current| Restart inverter, if the error still exist, contact us
E015| Phase Error in three phase parallel system| Check if the AC connection is right for three phase system, there should one at least one inverter in each phase
E016| Relay fault| Restart inverter, if the error still exist, contact us
E017| Internal communication fault2| Restart inverter, if the error still exist, contact us (DSP&M8)
E018| Internal communication fault3| Restart inverter, if the error still exist, contact us (DSP&M3)
E019| Bus voltage high| Check if PV input voltage is higher than 480V
E020| EPS connection fault| Check if EPS and AC connection is in wrong terminal
E021| PV voltage high| Check PV input connection and if PV input voltage is higher than 480V
E022| Over current internal| Restart inverter, if the error still exist, contact us
E024| PV short| Check PV connection

E025

|

Temperature over range

| The internal temperature of inverter is too high,

turn off the inverter for 10minutes, restart the inverter, if the error still exist, contact us

E026| Internal Fault| Restart inverter, if the error still exist, contact us (Bus sample)
E031| Internal communication fault4| Restart inverter, if the error still exist, contact us (DSP&M8)
Code| Description| Trouble shooting
---|---|---

W000

|

Communication failure with battery

| Check if you have choose the right battery brand and communication cable is right, if the warning still exist, contact us

W001

| Battery temperature high| Check battery temperature sensor is right connected and the battery temperature is not too high
W002| Battery temperature low| Check battery temperature sensor is right connected and the battery temperature is not too low

W004

|

Battery failure

| Inverter get battery fault info from battery BMS, restart battery, if the warning  still  exist, contact us or battery manufacture
W008| Software mismatch| Please contact Luxpower for firmware update
W009| Fan Stuck| Check if the fan is OK
W012| Bat On Mos| Restart inverter, if the error still exist, contact us
W013| Over temperature| The temperature is a little bit high inside inverter
W018| AC Frequency out of range| Check AC frequency is in range
W025| Battery voltage high| Check if battery voltage is in normal range
W026| Battery voltage low| Check if battery voltage is in normal range, need to charge the battery if battery voltage is low

W027

| Battery open| Check if there is output from the battery and battery connection with inverter is OK
W028| EPS Over load| Check if EPS load is too high
W029| EPS voltage high| Restart inverter, if the error still exist, contact us
W031| EPS DCV high| Restart inverter, if the error still exist, contact us

References

• server.luxpowertek.com
• Solar Power Inverters Manufacturer | Solar Inverter Factory | LuxpowerTek
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