How to Reset Inverter Fault

Learning how to reset inverter fault isn’t too challenging. In fact, every homeowner should know how it’s done to ensure smooth inverter functioning. Keeping that in mind, our focus today is to provide you with logical directions for soft and hard reset for inverter for effective and efficient functionality.

First, get familiar with your inverter manual and switch off the AC power. Once your inverter has discharged for a reset, switch the power to AC/DC and turn on the supply as per your inverter’s manual instructions. With this power drive inverter reset, notice for any common inverter faults.

Here, let’s start with understanding the purpose of inverter overloaded manual reset.

What is the Purpose of Resetting the Inverter?

The primary purpose of inverter reset procedure is to rectify faults and restore optimal functionality. When an inverter encounters issues such as voltage fluctuations or grid disturbances, a reset becomes crucial to troubleshoot and bring the system back to its normal operating state.

Resetting the inverter involves clearing error codes and re-establishing proper communication with the solar panels and the grid. Essentially, a reset ensures that the inverter is equipped to efficiently convert solar energy into usable electricity.

Now that you know the primary goal of resetting an inverter, it’s time we delve upon some of the common culprits of inverter faults before we learn to fix them.

What are Some Common Inverter Faults?

1.      Grid Power Failure

Grid power failures lead to inverter faults. Resetting becomes imperative to synchronize the inverter with the power source and resume efficient energy conversion.

2.      Battery Dead

Inoperative batteries trigger inverter faults, requiring a reset to revive the energy storage system for seamless functionality and uninterrupted power supply.

3.      Inverter Tripped

Tripping, often caused by overloads or surges, prompts the need for a reset. This action restores the inverter to its operational state, addressing potential issues.

4.      Battery Disconnected

A disconnected battery often leads to an inverter fault. A reset is necessary to re-establish this critical connection, ensuring the inverter can efficiently draw power from the battery.

5.      Loose Battery Terminals

Improperly secured battery terminals contribute to faults. A reset is essential to stabilize connections, optimizing the inverter’s performance by preventing interruptions.

6.      Low Battery Charge

Inverter malfunctions due to low battery charge can be rectified through a reset. This action allows the device to draw power efficiently from the battery, addressing energy deficiencies.

7.      Battery Discharge

Inverter faults resulting from a discharged battery call for a reset. This action addresses the energy deficit, ensuring continuous and uninterrupted power conversion.

8.      Reversed Battery Terminals

Reversed battery terminals also cause an inverter trip. This corrects the polarity issues, restoring the inverter’s proper functioning and preventing further faults.

How to Reset Inverter Fault

You can reset the inverter faults by turning off the switch breaker and disconnecting the power. After waiting for 30 seconds, restore to default settings.

Usually, there are two ways for inverter fault resolution; soft and hard reset. There are other methods too such as the overnight restart procedure for basic troubleshooting for inverters.

Way 1: Soft Reset Inverter Faults

Initiating a soft reset, often termed as a software reset or reboot, entails restarting the software or control system of the inverter while leaving hardware components untouched.

Modern solar inverters are equipped to facilitate soft resets through their own system configuration, allowing the inverter to reset without external interventions. Follow these precise steps:

1. Refer to the manual and equip yourself with the necessary protective gear for a secure process.
2. Turn off the main breaker for AC power to disconnect switch operation.
3. Give the inverter a few minutes to discharge and undergo a soft reset.
4. Reset the breakers or switches to restore AC/DC power.
5. Adhere to the manufacturer’s instructions to safely power on the inverter. You will see the charging LED flashing.
6. Keep a watch for recurring errors, warning lights, or any irregular behavior.
7. Ensure optimal system operation by consistently monitoring its performance.

Besides a soft reset, you can enforce a hard reset for fault code troubleshooting.

Way 2: Hard Reset Inverter Faults

Executing a hard reset, alternatively termed a factory reset or system reset, encompasses the restoration of the inverter to its initial factory settings, affecting both software and hardware configurations. Follow these detailed steps:

1. Adhere to safety guidelines outlined in the manual and use protective gear.
2. Turn off the main breaker for AC power and DC disconnect.
3. Give the inverter sufficient time to discharge and undergo a hard reset.
4. Reset the breakers or switches to restore AC/DC power.
5. Follow the manufacturer’s instructions diligently to power on the inverter.
6. Monitor the system for any fault codes, warning lights, or abnormal behavior.
7. Maintain a vigilant eye on the system to ensure optimal operation.

Note: Once done, you can determine the AC power such as 6V, 12V, 24V, and more, and determine the AC power source wattage for inverter fault resolution.

Read more: How long will a 12V battery last with an inverter?

How Long Would It Take for an Inverter to Reset?

The time required for an inverter to reset is influenced by factors like model specifications, circuitry, and the intricacy of the reset process. Generally brief, the reset duration varies based on the type of reset.

For a soft reset, involving a simple power cycle, the typical timeframe is around 10-15 seconds. Following the inverter’s shutdown, a brief pause may be advisable before restarting to allow residual charges to dissipate.

For a hard reset or factory reset, aimed at restoring default settings, the duration spans 30 to 60 seconds. This longer duration is attributed to the inverter erasing user-defined configurations and reverting to factory settings. The specific timeframe depends on the reset procedure and the intricacies of the hardware and software involved.

How do I manually reset my inverter?

Switch off the fuse or circuit breaker dedicated to the inverter. This action effectively powers down the inverter. For an effective reset, leave the inverter in this powered-off state overnight. The prolonged downtime allows for a comprehensive reset.

The next morning, switch the fuse or circuit breaker back on. This simple yet effective method helps troubleshoot and restart the inverter. By following this overnight restart procedure, you facilitate a thorough reset, addressing potential issues, and ensuring optimal performance when the inverter powers back up.

How do you fix an inverter fault?

1. Ensure the motor load is within the acceptable range, avoiding excess strain on the inverter.
2. Check the acceleration time, avoiding overly fast acceleration for high-inertia loads to prevent excessive current flow.
3. Conduct thorough tests on both the motor and its associated cable to identify any malfunctions or connectivity issues.
4. Confirm that the motor is appropriately connected for the correct voltage to prevent voltage-related faults.
5. Confirm the motor’s rotation direction, ensuring it aligns with the specified configuration.

How do you clear a fault on a solar inverter?

1. Locate the power switch or ON/OFF button on the inverter unit and switch it to the off position.
2. Move to your AC disconnect, typically located near the inverter. Turn off the AC disconnect switch to ensure the disconnection of alternating current power.
3. Locate the solar disconnect box, often adjacent to the inverter. Switch off the solar disconnect box to disconnect the solar panels from the inverter.
4. Proceed to your electrical service panel or breaker box.
5. Turn off the designated breaker for the solar inverter circuit to cut off power from the electrical panel.
6. Allow a brief interval of approximately 30 seconds.
7. Turn on the breaker for the solar inverter circuit in your electrical service panel.
8. Head back to the solar disconnect box and turn it on.

What is the use of reset button in inverter?

Inverters typically feature reset buttons, commonly integrated with the inverter ON/OFF pushbutton reset. Generally, you can long press the ON/OFF button to initiate a reset or restart of the inverter. However, it’s crucial to acknowledge that the existence and operation of a reset button can vary, contingent upon the specific manufacturer and model of the solar inverter.

To execute a reset, users can press and hold the ON/OFF button for approximately 15 seconds. Observing the charging LED flashing process signals the successful reset of the inverter. Inverters, with their various functions, often incorporate buttons that serve the purpose of resetting in the event of power-related issues.