solar inverter error faults


Understanding the functionality and importance of solar inverters is crucial for maintaining the efficiency of your photovoltaic system. In this guide, we’ll delve into the common solar inverter error faults in Bangladesh and provide expert tips for troubleshooting and repairs.

What is a Solar Inverter and Its Significance?

A solar inverter serves as the backbone of a photovoltaic system, converting the DC electricity produced by solar panels into usable AC electricity for residential and commercial purposes. Without a functioning solar inverter, the energy harvested from solar panels would remain inaccessible, rendering the system ineffective.

Types of Solar Inverters

Bangladesh, like many regions, utilizes various types of solar inverters tailored to different setups:

  • Grid-Tie Inverters: Suitable for systems connected to the grid, enabling surplus energy to be fed back into the utility network.
  • Off-Grid Inverters: Ideal for remote areas where grid connectivity is absent, ensuring independent power generation.
  • Hybrid Inverters: Offering versatility, these inverters combine features of grid-tie and off-grid systems, adaptable to both scenarios.
solar inverter error faults

Common Solar Inverter Error Faults

  1. Overcurrent Error: Arises from excessive current flow, potentially due to short circuits or faulty panels.
  2. Undervoltage Error: Occurs when supplied voltage falls below optimal levels, often caused by weak batteries or panel malfunctions.
  3. Islanding Error: Presents a safety risk as the inverter continues operation despite disconnection from the grid, potentially causing harm or damage.
  4. Overheating Error: Triggered by elevated internal temperatures, attributed to factors like obstructed ventilation or faulty fans.
  5. Faulty Communication Error: Hinders communication between the inverter, solar panels, and grid, often caused by damaged cables or internal component issues.

Troubleshooting and Repairing Solar Inverter Faults

Identifying the root cause of a solar inverter fault is paramount for effective resolution. Here’s how to tackle common issues:

  • For overcurrent errors, inspect panels for damage and secure connections.
  • Undervoltage errors require battery assessment and connection verification.
  • Islanding errors necessitate checking grid connections and inverter settings.
  • Overheating errors demand ventilation system inspection and internal component evaluation.
  • Faulty communication errors warrant cable examination and internal component scrutiny.

When to Seek Professional Assistance

If unsure about troubleshooting or repair procedures, it’s advisable to enlist professional assistance. Solar inverters comprise intricate electronics, mishandling of which can exacerbate issues and pose safety hazards. Seeking expert intervention ensures prompt and safe resolution, preserving system efficiency.


Maintaining a functional solar inverter is essential for maximizing the benefits of solar energy in Bangladesh. By understanding common error faults and implementing proper troubleshooting and repair protocols, you can safeguard your investment and contribute to sustainable energy usage. For professional assistance in resolving solar inverter issues, don’t hesitate to contact Macro IoT Solution & Engineering Services, where our full-time experts are committed to restoring your solar system’s performance seamlessly.

Contact us today to Identify Solar Inverter Error Faults and repair:

Experiencing solar inverter issues? Contact Macro IoT Solution & Engineering Services for expert troubleshooting and repairs to keep your solar system running efficiently! Don’t let technical glitches disrupt your access to clean energy. Reach out to us today!


Macro IoT Solution & Engineering Services
Add: H# 1282, Lift 3-B, Sahjalal Plaza, Begum Rokeya Sarani, Mirpur-10, Dhaka, 1216
Phone: +8801721839061
Opening Hours: 10:00 – 18:00

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