How to Read Solar Inverter Display
To read your Solar inverter display, you will need to come across glossaries of it which I will let you know!
7 December, 2023 by
Ausgreen Solar Solutions, Von Mike
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Solar is constantly getting involved in our lives, particularly now that we often use clean energy and live off the grid.

A solar inverter's primary job is to transform the DC (direct current) electricity stored in a solar battery into AC electricity suitable for use in home appliances.

Typically, solar inverters include an advanced multifunction screen that allows us to adjust system parameters, see flaws in the system, and understand how the system works and what state it is in.

This topic will help you understand most of the data displayed on the solar inverter display.

What is Solar Inverter Display

The solar inverter display is an LCD screen on the device body. The display will lighten for  some time after operating or turning on the system, and then the display will automatically turn off.

If you need to turn the display on, press the “HOME/POWER” button on the dashboard.
When you switch on the first things you will notice on a solar inverter screen battery voltage and output voltage positioned at the top. Below it,The entire system diagram is shown with flowing arrows, which indicates the current operational condition of each solar system component.

Inverter display is used for System’s performance and settings. you will see the battery icon with voltages and the power output icon with voltages (115V/220V) in the first screen. To check the detailed status and adjust the parameters of each component, use the up and down buttons as well as the 'Enter' option.


Terms used in solar inverter display

You won't be able to detect problems with your solar inverter if you don't understand the terms displayed on the display. We have explained which term indicates what, so as to you can take action for any malfunction.


Stand By

This term means that there is not yet enough DC voltage coming from the battery or PV source to the solar inverter. This is what you will see when the solar inverter isn't functioning and the sun's energy doesn't reach it.

Fault

This term clearly indicates that something is wrong with the solar inverter and you need to fix it. If not, the solar inverter will shut off, creating an energy failure.

Flash

This occurs when there is a sudden firmware or software update for the inverter. The inverter goes to flash mode the moment you attempt an upgrade. These are the two typical process of doing this:


  • Upgrade the firmware locally using any communication channel.


  • Using a wireless communication module, update the connected servers.


PV grid on/in use

Do not worry when this term shows because it indicates the solar inverter operating normally on the grid. The entire PV source's production is sent to the AC grid center, which sends it on to your local grid station then.


PV charge

This indicates the whole power produced by the PV is in the normal range and the batteries of the inverter are being used to be charged with it. No energy is remaining for output and work on the grid. And no energy is left for the UPS connection and the AC grid.


PV charge + grid on

When it is on display, PV Recharge and Grid The AC grid center receives a high-quality PV source. The inverter's battery can still be charged because power is still available. You will therefore either draw energy from the grid or the PV system.


Battery Grid On/In use

This shows when the solar inverter is working without a PV source  and the battery has enough power. It powers your solar system via an AC (alternating current) connection.


PV and battery grid-on/In use

 This also demonstrates that the solar inverter is operated without any PV Photovoltaic source and with sufficient energy being supplied by an AC connection to the system. The inverter is discharged from the battery and the power is exported to your system.


AC power supply

It shows to indicate that the inverter is operating normally on-grid, without the need for a specific power source. Rather, in order to fully charge the battery, it takes power from the AC connection.


AC and PV charging

On-grid, the inverter display is normal, with low battery and restricted PV power. The display will show if the inverter is charging the battery from the PV power or the AC.


Battery grid off

Normally, the solar display operates off-grid without requiring any PV power input because there is enough battery capacity. The battery discharges as output through a UPS (Universal Power Supply) connection when this status is displayed.


PV charge grid off

In this instance, everything is operating as it should, although the inverter's battery is low. There is still power available to supply it to the output through a UPS connection after the inverter uses the PV source to charge the battery.

How to read the solar inverter display

After you've learned the basic terms and statuses shown on the inverter, let's explore the specifics of actually reading the display on solar inverters. 


A bit below the inverter display, click any one of the four buttons. When you do, the display screen will light up and the inverter's backlight will switch on.

Next, click the "Main Menu" button on the display screen to access the main menu.

Then, to see the details about every display state, click the ‘total button’ located to the right of the display. you have to keep clicking the button until a full report appears.


When you finally press the enter key, a few figures describing the amount of electricity produced since the solar inverter was installed will appear.

Typical Issues with Solar Inverter Displays

Any internal malfunction of the tool may result in a few errors on your solar inverter display. For the purpose of monitoring your solar inverter, you need to understand most of them. Here is a list of often occurring error codes along with the problem they suggest:


Data logger ID is not available from 01 to 0012.


107: No indication of an AC grid


306: Low Power


307: Extremely low DC voltage


509: No food for a full day


522: There is low DC1 input voltage


523: There is low DC2 input voltage


65000: Disruption in the inverter and battery's DC connection


994: It is not possible to compare energy.


995: Warning about a battery problem



Ausgreen Solar Solutions, Von Mike
7 December, 2023

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