How to reset an Inverter a step by step guide? 

If your inverter suddenly stops working, starts beeping, shows an error, or is not giving backup, the first thing you should try is resetting the inverter. Most inverter problems are small and can be solved easily at home by doing a simple reset. You don’t always need a technician for these basic fixes.

In this detailed, simple, and conversational guide, you will learn how to reset an inverter step-by-step, why your inverter needs a reset, common reset mistakes, safety tips, and when to call customer support.

Let’s get started in the simplest way possible.

 

Why Do You Need to Reset an Inverter?

Just like your mobile phone, laptop, or Wi-Fi router, an inverter also needs a reset when something goes wrong. Your inverter handles electricity, battery charging, fluctuating voltage, and power conversion—so sometimes it gets overloaded or confused.

Here are the most common reasons why inverters need resetting:

• When the inverter is overloaded
   
• When the battery level drops too low
   
• When there is voltage fluctuation
   
• When the inverter gives a continuous beep
   
• When the display shows error codes
   
• After a power surge or lightning strike
   
• When the inverter switches OFF automatically
   
• When the inverter doesn’t start even after pressing the ON button
   
• After connecting or disconnecting appliances
   
• When the inverter battery wiring becomes loose
   

Resetting the inverter helps the system refresh and start again with normal settings.

 

Before You Reset: Important Safety Precautions

Your safety should always come first. Even though resetting an inverter is simple, you are still dealing with electricity.

Here are a few safety tips:

• Make sure your hands are dry
   
• Wear slippers to avoid current
   
• Do not reset if you smell burning wires
   
• Do not touch open wires
   
• Turn OFF the main switch before touching cables
   
• Keep children away
   

These small steps can protect you from danger while you handle your inverter.

 

How to Reset an Inverter (Step-by-Step Guide)

Below are the simplest steps you can follow to reset almost any inverter—home inverter, solar inverter, off-grid inverter, or hybrid inverter.
This works for most brands including Lento, Luminous, Microtek, Su-Kam, V-Guard, Exide, and others.

 

Step 1: Turn Off the Inverter

Every inverter has a power ON/OFF button.
Press it once to switch the inverter OFF completely.
This stops the internal system and prepares it for a fresh start.

If your inverter is very old or doesn’t have a button, turn OFF the small red/black switch near the battery.

Step 2: Disconnect All Appliances

Before you reset, unplug all devices connected to the inverter.

Why?

Because if the inverter restarts with load, it may get overloaded again.

Remove or switch OFF:

• Fans
   
• Lights
   
• TV
   
• Refrigerator
   
• Wi-Fi
   
• Laptop chargers
   

This gives the inverter a clean and safe restart.

Step 3: Turn Off the Main Power Supply

Go to your main switchboard and turn OFF the switch that supplies power to the inverter.

This ensures the inverter is completely disconnected from home electricity.

You don’t have to cut power in the entire house—just the inverter line.

Step 4: Disconnect the Battery Terminals

This is the most important part of resetting the inverter.

Remove the battery connections:

• Remove the positive (red) cable
   
• Remove the negative (black) cable
   

This drains the inverter’s stored power and resets the internal electronics.

Important:
Do not let the terminals touch each other.

Step 5: Wait for 2–5 Minutes

Give the inverter a little time.
This helps the system reset fully, removing any temporary errors.

Most technicians always wait at least 2 minutes before reconnecting the battery.

Step 6: Reconnect the Battery

Now reconnect the battery cables in the same order:

• First positive (red)
   
• Then negative (black)
   

Make sure the terminals are tight and not loose.

Loose battery cables are a common reason why inverters stop working.

Step 7: Turn ON the Power Supply

Now go back to the main switchboard and turn ON the inverter power line.

The inverter will receive electricity and get ready to start.

Step 8: Turn ON the Inverter

Press the power button again.

Your inverter will start fresh, without previous errors or overload issues.

You should now hear a normal beep and see normal display lights.

Step 9: Reconnect the Appliances

Plug in your fans, chargers, computers, and lights one by one—not all together.

This prevents sudden overload.

If the inverter works fine, the reset was successful.

How to Reset Solar Inverters (On-Grid, Off-Grid, Hybrid)

Solar inverters sometimes need a different reset process.
Let’s talk about each type:

 

Resetting an On-Grid Solar Inverter

On-grid inverters are connected to solar panels and the electricity grid.
To reset them:

1. Turn OFF the AC isolator
    
2. Turn OFF the DC isolator (solar input)
    
3. Wait 30 seconds
    
4. Turn ON DC isolator
    
5. Turn ON AC isolator
    
6. Restart the inverter from the display button
    

This refreshes the system and clears most errors.

Resetting an Off-Grid Solar Inverter

Off-grid inverters have batteries, so their process is similar to home inverters:

1. Turn OFF inverter
    
2. Disconnect load
    
3. Disconnect battery
    
4. Disconnect solar panel wires (if needed)
    
5. Reconnect battery
    
6. Turn ON inverter
    

Resetting a Hybrid Solar Inverter

Hybrid inverters manage both solar and battery power, so they have reset buttons on the display.

Steps:

1. Turn OFF AC output
    
2. Press and hold RESET button for 5–7 seconds
    
3. Restart inverter
    
4. Reconnect load
    

Hybrid resets are usually the easiest.

Common Inverter Reset Mistakes You Should Avoid

Many people unknowingly make mistakes while resetting their inverters.
Avoid these common errors:

• Resetting without removing the battery
   
• Resetting with appliances connected
   
• Touching terminals with wet hands
   
• Putting positive and negative wires wrong
   
• Ignoring burning smell or smoke
   
• Pressing buttons repeatedly
   
• Allowing terminals to spark
   
• Restarting inverter with overload
   

Avoiding these mistakes ensures a safe and effective inverter reset.

When Should You Not Reset an Inverter?

Resetting is helpful, but sometimes the problem is serious.
Do NOT reset in these cases:

• Burning smell from inverter
   
• Sparks near battery
   
• Melted wires
   
• Battery leaking acid
   
• Inverter making loud humming noises
   
• Display completely dead
   

In such cases, CALL a technician immediately.

 

Why Lento Inverters Are Easier to Reset (Brand Highlight Section)

If you are using Lento Industries Private Limited inverters, resetting becomes easier because Lento products are built with:

• Smart auto-reset technology
   
• Overload protection
   
• Pure sine wave stability
   
• Intelligent battery management
   
• High-quality components that rarely malfunction
   

Lento makes on-grid, off-grid, hybrid, wall-mounted, lithium-ion, and pure sine wave inverters, trusted in India and exported to more than 24+ countries including Nigeria, Uganda, Yemen, Afghanistan, and more.

A good quality inverter reduces breakdowns and makes resetting simple.

 

Troubleshooting Tips If Reset Does Not Work

If your inverter still doesn’t start after resetting, check these:

 1. Check the battery water level

Low water reduces battery backup.

2. Check the battery voltage

If voltage is below 10.5V, inverter will not start.

 3. Check for loose cables

Tighten all terminals.

4. Check the fuse

A blown fuse stops power.

 5. Check the MCB in inverter

Sometimes it trips automatically.

 6. Check for overload

Disconnect heavy appliances.

 7. Check input voltage

Low voltage will stop charging.

If none of these work → call a technician.

 

Frequently Asked Questions (FAQ)

1. Can I reset my inverter at home?

Yes, resetting an inverter is safe if you follow simple steps and safety precautions.

2. Does resetting delete inverter settings?

No, resetting only clears temporary errors.

3. Why is my inverter beeping continuously?

It may be due to overload, low battery, loose wiring, or overheating.

4. How often should I reset my inverter?

Only when needed—like during errors, beeping, overload, or system freeze.

5. Do lithium-ion inverters need resetting?

Rarely. Lithium-ion inverters, like those from Lento, have smart BMS that auto-resets.

 

Final Thoughts

Resetting an inverter is one of the easiest ways to solve common power backup issues. With the right steps, you can fix overload errors, beeping sounds, and display problems without calling a technician. However, always follow safety precautions and avoid resetting if you notice burning smell or serious technical issues.

A good-quality inverter like Lento Industries Private Limited ensures fewer breakdowns, smoother performance, and easy troubleshooting. Whether you use a home inverter or a solar inverter, resetting is a simple skill that helps you keep your power backup running smoothly.