Introduction

Inverters are essential for powering homes and businesses in Nigeria, but like every electrical device, they can develop faults. The good news is that most inverter problems are common, predictable, and easy to fix — especially with professional support.

This guide explains the top 5 inverter problems Nigerians face, their causes, and the safest ways to fix them.
For long-term reliability, Solarzone Nigeria provides expert maintenance, repair, and replacement services for all inverter brands.

⭐ 1️⃣ Inverter Not Turning On

Possible Causes:

• Blown fuse

• Dead or weak batteries

• Loose battery connection

• Faulty power switch

• Burnt internal components

How to Fix It:

✔ Check battery terminals for proper tightening
✔ Test the battery voltage (must be above 11V–12V for 12V systems)
✔ Inspect fuse and replace if blown
✔ Reset the inverter by turning it off and on

⚠️ If the inverter still won’t turn on, the internal board may be burnt.

💼 Solarzone provides fast diagnostics and board replacement for all inverter brands including Felicity, Luminous, Bluegate, Mercury, and Prag.

⭐ 2️⃣ Inverter Not Charging Batteries

Possible Causes:

• Faulty charger card

• Weak batteries

• Undersized solar panels

• Bad charge controller

• Burnt wires or fuses

• Poor grid (PHCN) power input

How to Fix It:

✔ Check if PHCN or generator power is supplying input
✔ Test solar panel voltage
✔ Inspect the charge controller
✔ Clean battery terminals
✔ Replace faulty fuses

⚠️ If the charger card is faulty, repairs require a trained technician.

🔧 Solarzone technicians repair charging systems and install proper MPPT controllers for maximum charging efficiency.

⭐ 3️⃣ Inverter Beeping Continuously

Possible Causes:

• Overload

• Low battery voltage

• Faulty fan or overheating

• Bad wiring or loose connections

How to Fix It:

✔ Switch off some appliances
✔ Check battery level on the display
✔ Clean the inverter’s ventilation area
✔ Tighten all wiring connections

If the beeping continues:
➡ The inverter may be overheating or its cooling system has failed.

📞 Solarzone offers home/office inspection to identify and fix overload or cooling issues.

⭐ 4️⃣ Inverter Switching from AC to Battery Automatically

Possible Causes:

• Poor PHCN voltage (below 180V)

• Generator voltage fluctuations

• Faulty input cable

• Internal relay fault

How to Fix It:

✔ Test the input voltage using a meter
✔ Switch to a stable generator
✔ Replace damaged AC input cables
✔ Reset inverter settings

⚠️ Persistent switching indicates a relay issue inside the inverter.

💼 Solarzone repairs faulty inverter relays and ensures your system transitions smoothly between power sources.

⭐ 5️⃣ Inverter Draining Battery Too Fast

Possible Causes:

• Undersized batteries

• Weak or old batteries

• Overloading

• Faulty fan causing overheating

• Poor quality or counterfeit inverter

• Bad wiring or loose terminals

How to Fix It:

✔ Reduce the number of appliances
✔ Test battery health
✔ Ensure your inverter is pure sine wave
✔ Clean or replace fan
✔ Tighten battery cables

⚠️ If the battery is old or sulphated, it must be replaced.

🔋 Solarzone offers genuine tubular, AGM, and lithium batteries with long lifespan and warranty.

⭐ Bonus Problem: Inverter Making Noise or Smell

This may indicate:

❌ Burnt components
❌ Faulty transformer
❌ Overheating
❌ Wrong wiring
❌ Dust accumulation

👉 Turn off the inverter immediately.

🚫 Do NOT attempt to open the inverter yourself.

🛠️ Solarzone provides safe, professional inverter repairs to avoid electrical hazards.

🌤️ Common Reasons Why Inverters Fail in Nigeria

✔ Using fake inverters
✔ Wrong installation
✔ Undersized batteries
✔ Wrong cable size
✔ Using modified sine wave
✔ Excessive load
✔ High heat environment
✔ No ventilation
✔ Poor maintenance

Solarzone solves ALL these problems through quality installation + genuine products + expert maintenance.

📝 When to Repair vs When to Replace

✔ Repair if:

• Minor component is faulty

• Loose connection

• Fuse or board issue

• Fan failure

✔ Replace if:

• Inverter is fake

• Repaired multiple times

• It cannot charge batteries

• Transformer is burnt

• It is more than 8–10 years old

💼 Solarzone recommends inverter replacement only when it saves you money long-term.

🛠️ Why Trust Solarzone for Inverter Repairs & Maintenance?

Solarzone provides:

⭐ Certified technicians
⭐ Genuine spare parts
⭐ Free load calculation
⭐ Battery/inverter health diagnostics
⭐ Wiring corrections
⭐ Replacement of burnt boards
⭐ On-site repairs
⭐ 24/7 customer support

We repair all major brands:
✔ Felicity
✔ Luminous
✔ Mercury
✔ Bluegate
✔ Prag
✔ Su-Kam
✔ Victron
✔ Eastman

Solarzone guarantees safe, reliable repairs that extend your system’s lifespan.

🏁 Final Thoughts

Inverter problems are common, but they don’t have to disrupt your life. With proper diagnosis, routine maintenance, and expert installation, your inverter will deliver stable, clean power for years.

Instead of guessing or risking damage, work with Solarzone Nigeria for professional repair, servicing, and installation.

💥 Call to Action

⚡ Is your inverter giving you problems?
Get fast, professional repair and installation from Solarzone Nigeria today.

📞 Call/WhatsApp: +234 [09091394722]