What is the difference between a hybrid inverter and a standard inverter?

A standard (grid-tied) inverter must shut down during a power cut for safety. A hybrid inverter , which we specialize in at Sona Solar, can intelligently manage power from solar panels, batteries, and the ZESA grid. This allows it to provide seamless backup power during load shedding by drawing from your batteries.

What should I do if my inverter shows reduced or no power output?

Reduced power output is commonly caused by shading on panels or dirt accumulation. First, check for any new obstructions like tree branches. Second, consider cleaning your panels, especially during the dry season. If the issue persists and there are no error codes, it's best to contact a qualified Sona Solar technician for diagnosis.

Why did my solar inverter completely shut down?

An inverter shutdown is usually a safety feature. The most common causes in Zimbabwe are: Grid Outage (Load Shedding): The inverter disconnects from the grid for safety. Your battery system should take over automatically. Inverter Overload: Running too many high-power appliances at once. Try reducing your simultaneous power consumption. Overheating: Ensure the inverter has adequate ventilation and is not in direct sunlight. If shutdowns are frequent, it requires professional assistance.

How much battery capacity do I need for my inverter?

The required battery capacity (measured in Amp-hours or Ah) depends on the inverter's voltage and your energy needs. A general minimum guideline is 20% of a 12V inverter's wattage in Ah, or 10% for a 24V inverter. However, this is only to power the inverter itself. A proper load assessment by our team is crucial to correctly size a battery bank that will meet your actual usage needs during load shedding.

Can my inverter power heavy appliances like a borehole pump or microwave?

Yes, but the inverter must be sized correctly. Appliances with motors have a high 'starting current' or 'surge', which can be many times their normal running power. Inverters from brands we stock, like Must and Primax, have high surge capacities designed to handle these loads. We will evaluate all your heavy appliances to ensure the inverter we recommend is powerful enough.

How long do solar inverters last in Zimbabwe?

A high-quality hybrid inverter from a reputable brand like Growatt, SRNE, or Must can be expected to last between 7 to 12 years. Lifespan is influenced by environmental factors, the load it manages, and proper maintenance. All our inverters come with robust manufacturer warranties for your peace of mind.

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By Sona Brands

On September 24, 2025

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Troubleshooting Common Solar Inverter Problems

Q: What is the primary role of a solar inverter?

A solar inverter is the brain of your solar power system. Its main function is to convert the Direct Current (DC) electricity produced by your solar panels into Alternating Current (AC) electricity, which is the type of power used by standard home appliances and the electrical grid in Zimbabwe.

Your solar inverter is the brain of your solar power system, ensuring that energy from your solar panels is efficiently converted and delivered to your home or business. While inverters from trusted brands like Growatt, Must, SRNE, Codi, Hanchu, and Primax are generally reliable, occasional issues can arise due to load fluctuations, wiring faults, or environmental factors.

Inverters Frequently Asked Questions (FAQs) in Zimbabwe

This guide will help you understand common inverter problems, error codes, and practical solutions, ensuring your solar power system stays efficient, safe, and uninterrupted. Whether you are using 1kVA, 1.5kVA, 2kVA, 3.2kVA, 3.5kVA, or even larger inverters, we cover the troubleshooting and maintenance tips needed to keep your system performing at its best.

Understanding Your Inverter

Your solar inverter is the heart of your solar energy system, converting the DC power from your panels into usable AC power for your home or business. Trusted brands like Growatt, Must, SRNE, Codi, Hanchu, and Primax provide reliable inverters across various capacities, from 1kVA to 6.2kVA and beyond. Understanding how your inverter works helps you monitor performance, maximize efficiency, and identify issues early, ensuring your solar system delivers consistent and safe power whenever you need it.

The solar inverter is the hardest-working component in your solar system. Its primary role is to convert the Direct Current (DC) electricity produced by your solar panels into Alternating Current (AC) electricity. This conversion is essential because all standard appliances in your home—from your television and refrigerator to your lights and chargers—run on AC power. Without a functioning inverter, the energy generated by your panels is unusable in your home.</p>

There are several types of inverters, but for residential use in Zimbabwe, the most important distinction is between standard inverters and hybrid inverters.

Standard Inverters (Grid-Tied): These inverters convert DC to AC power for immediate use and must shut down during a grid outage for safety.
Hybrid Inverters: These are the "brains" of a modern solar and battery system. They can intelligently manage power from solar panels, batteries, and the ZESA grid simultaneously. This capability is what allows your home to have uninterrupted power during load shedding, as it can seamlessly switch between power sources.

At Sona Solar, we specialize in high-quality hybrid inverters from trusted brands like Must, Growatt, SRNE, Codi, and Primax, ensuring you have a seamless power supply.

While often used interchangeably, kVA (kilo-volt-ampere) and kW (kilowatt) measure slightly different aspects of power.

kW (Real Power): This is the power that actually does work, like lighting a bulb or running a motor.
kVA (Apparent Power): This is the total power consumed by a system, including real power (kW) and reactive power (power needed for magnetic fields in motors, etc.).

For household purposes, a 5kVA inverter is roughly equivalent to a 5kW inverter. However, kVA is the industry standard for rating the total capacity an inverter can handle. It's the most important figure to consider when matching an inverter to your home's peak electricity demand.

Troubleshooting Power Issues

Even the most reliable solar inverters can encounter power-related problems from time to time. Common issues include low output, system shutdowns, or intermittent power. Trusted brands like Growatt, Must, SRNE, Codi, Hanchu, and Primax have robust inverters designed to minimize these disruptions, but understanding the causes is key. This guide covers typical causes such as panel shading, faulty connections, overloads, or incorrect settings, and provides practical solutions to restore your system’s optimal performance quickly.

This is one of the most frequent issues and can stem from several causes:

Shading on Solar Panels: Even partial shading from trees, buildings, or debris can drastically reduce the entire system's power output.
Dirty Panels: A layer of dust, bird droppings, or pollen can block sunlight and lower efficiency by up to 25%.
Inverter Fault: While less common, an internal fault in the inverter can lead to decreased power.

Solutions:

Check for Shading: Regularly trim any tree branches that have grown to cover your panels.
Clean Your Panels: In Zimbabwe's dry season, dust is a major factor. We recommend cleaning your panels every 1-2 months.
Check Inverter Display: If the panels are clean and unshaded, check the inverter's display for any error messages. If an error is present, contact a Sona Solar technician.

A complete shutdown is almost always a safety feature. The most common causes in Zimbabwe are:

Grid Outage (Load Shedding): For safety, grid-tied inverters must shut down during a ZESA power cut to prevent sending power to the grid, which could endanger utility workers. This is called "anti-islanding". Your system should automatically switch to battery power if you have a BESS.
Inverter Overload: If you try to run too many high-power appliances at once (e.g., stove, kettle, borehole pump), the inverter will shut down to prevent damage.
Inverter Overheating: Inverters generate heat. If installed in a poorly ventilated space like a sealed cupboard or in direct sunlight, they can overheat and shut down to protect internal components.

Solutions:

Manage Your Appliance Usage: Be mindful of how many heavy loads you run at the same time.
Ensure Proper Ventilation: Check that the inverter has at least 30cm of clear space around it for airflow.
System Reset: If the cause is resolved (e.g., grid power returns), you may need to reset the system. Refer to your manual or contact us for the correct procedure. If shutdowns persist, professional diagnosis is required.

Understanding Error Codes

Solar inverters from trusted brands like Growatt, Must, SRNE, Codi, Hanchu, and Primax are equipped with error detection systems to help identify problems quickly. Error codes may indicate issues such as grid faults, overloads, battery connection problems, or temperature warnings. By understanding these codes, you can diagnose issues efficiently, avoid unnecessary downtime, and ensure your solar power system continues to operate safely and reliably.

Modern inverters are smart devices that self-diagnose and report issues via error codes on their display screens. If you see one, follow these steps:

Do not panic. Most errors are minor or are simply providing information.
Document the Error: Take a clear photo of the error message or write down the exact code number and any accompanying text.
Consult the User Manual: Your inverter's user manual will have a troubleshooting section that explains what each error code means and may suggest a simple solution, like a system reset.
Contact Sona Solar: For any error codes that persist or that the manual identifies as critical, it is crucial to contact us. Provide us with the error code and your inverter brand. Our technicians can often diagnose the issue remotely or schedule a site visit.

System Sizing & Compatibility

Choosing the right solar inverter and battery combination is critical for optimal performance. Popular inverter brands like Growatt, Must, SRNE, Codi, Hanchu, and Primax work best with compatible lithium batteries such as Must, SVolt, EVolt, Dyness, GenixGreen, and SRNE. Correct system sizing ensures that your energy storage and inverter capacity match your household or business energy demands, avoiding overloading, inefficiencies, and premature wear. This guide will help you select the right components for reliable, long-lasting solar power.

The size of your battery bank should be matched to your inverter's capacity and your energy needs. A common rule of thumb is:

For a 12-volt inverter, you need a minimum battery capacity of about 20% of the inverter's wattage in Amp-hours (Ah). For a 1.5kVA (approx. 1200W) inverter, this means at least 240Ah of battery capacity.
For a 24-volt inverter, this is around 10% of the inverter's wattage in Ah. A 3.5kVA (approx. 3000W) inverter would need at least 300Ah of battery capacity.

Important: This is just for powering the inverter. The total battery capacity you need must also account for all the appliances you wish to run and for how long. Our team performs a detailed load assessment to ensure your battery bank is correctly sized for your specific needs.

Yes, but it depends on the inverter's power rating and its peak surge capacity. Appliances with motors (like pumps, fridges, and air conditioners) require a high starting current that can be 5 to 12 times their normal running wattage.

For example, an 800-watt microwave might need 1200-1300 watts to run. Sona Solar inverters from brands like Must, Growatt, and Primax are designed to handle high peak currents. It is essential that your inverter is sized correctly for these loads. We will assess all your heavy appliances during our site survey to recommend an inverter that can safely power them.

Inverter Maintenance & Care

Regular maintenance is key to keeping your solar inverter operating efficiently and extending its lifespan. Leading inverter brands like Growatt, Must, SRNE, Codi, Hanchu, and Primax require routine checks on wiring, cooling systems, and firmware updates. Pairing them with compatible lithium batteries such as Must, SVolt, EVolt, Dyness, GenixGreen, and SRNE ensures maximum efficiency and safety. Following preventive care guidelines helps avoid unexpected downtime, reduces repair costs, and keeps your solar power system running smoothly year-round.

Proactive care is the best way to ensure the longevity and optimal performance of your solar inverter. We recommend the following:

Schedule Annual Inspections: A qualified Sona Solar technician should inspect your entire system once a year. This includes checking all electrical connections, verifying component health, and identifying potential issues before they become major problems.
Keep the Inverter Area Clean: Regularly clear dust, leaves, or any other debris from around your inverter. Blocked vents are a primary cause of overheating.
Monitor Your System's Performance: Most modern inverters come with monitoring apps. Make it a habit to check your system's daily energy production. A sudden, unexplained drop in output is often the first sign of an issue with the panels or the inverter.

A high-quality inverter from a reputable brand is a durable piece of equipment. Generally, you can expect a good hybrid inverter to last between 7 to 12 years. The lifespan can be influenced by factors like the operating environment, the electrical load it handles, and how well it is maintained. At Sona Solar, we only stock brands like Must, SRNE, and Growatt that are known for their reliability and come with robust manufacturer warranties, ensuring your peace of mind.

Our Trusted Inverter Brands & Models

We stock a carefully selected range of high-quality solar inverters trusted across Zimbabwe. Leading brands such as Growatt, Must, SRNE, Codi, Hanchu, and Primax provide reliable performance, advanced features, and long-lasting durability. Our inventory includes models suitable for residential, commercial, and industrial solar systems, ensuring compatibility with lithium batteries like Must, SVolt, EVolt, Dyness, GenixGreen, and SRNE. Whether you are upgrading your system or installing a new one, these inverters are engineered to maximize efficiency and power output while minimizing maintenance requirements.

These inverters are ideal for basic backup power, running essential appliances like lights, TVs, routers, and charging devices.

Sumry: 1kVA 12V, 2kVA 12V
Palitron: 1kVA 12V
Must: 1kVA 12V, 1.5kVA 12V

Perfect for small to medium-sized homes, these inverters can comfortably power refrigerators, entertainment systems, and office equipment.

Sumry: 3.2kVA
Codi: 3.5kVA, 4.2kVA
Must: 3.0kVA (145VDC), 3.2kVA (160VDC)
Hanchu: 3.5kVA 24V
SRNE: 3kVA (108VDC)

These powerful inverters are designed for larger homes and businesses, capable of running demanding loads like borehole pumps, air conditioners, and multiple heavy appliances simultaneously.

SRNE: 5kVA (48V, 500V Grid), 10kVA (48V, 500VDC), 12kVA Transformer, 12kVA 3-Phase
Must: 5.2kVA (450VDC), 6kVA, 6.2kVA (500V), 10kVA, 12kVA, 15kVA CS
Codi: 6.2kVA HV (60-500V)
Growtech: 6.2kVA (500VDC)
Growatt: 6kVA (48V, 500VDC)
Deye: 6kVA (48V Off-Grid)
Primax: 8kVA (48V), 8kVA (Dual MPPT), 11kVA (48V), 11kVA (MPPT)

Expert Help is Just a Call Away

While this guide covers the most common issues, some problems require professional expertise. If you're experiencing persistent issues with your solar inverter, don't hesitate to contact the experts at Sona Solar Zimbabwe. We are here to ensure your investment continues to provide clean, reliable power for years to come.

Chat with a Technician

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