XRSOLAR SOLAR Inverter

Inverter efficiency is the percentage of DC power from your solar panels that the inverter successfully converts into usable AC power. For example, a 95% efficient inverter means 95% of the DC power is converted, with 5% lost as heat during the conversion process. 

Higher efficiency means less wasted energy, leading to more usable electricity for your home and better financial returns on your solar investment. Look for inverters with efficiency ratings of 95% or higher.

• Error Messages/Fault Codes: The most direct sign. Refer to your inverter’s manual to decode these. Common codes include “Grid Fault,” “Over Voltage,” “Isolation Fault,” or “Over Temperature.”
• No Power Production or Decreased Energy Output: If your solar monitoring shows significantly reduced or no energy generation, the inverter could be the issue (after checking for obvious shading or dirty panels).
• Unusual Noises: Buzzing, humming, clicking, or grinding sounds (beyond a quiet fan operation) can indicate internal component failure or loose connections.
• Frequent System Shutdowns: If the inverter repeatedly turns off or reboots. This could be due to overheating, grid instability, or internal faults.
• Overheating: The inverter casing feels excessively hot to the touch, or you notice a burning smell. This is a serious issue that needs immediate attention.
• Monitoring App/WiFi Issues: Difficulty connecting to the inverter’s monitoring system.

1. Check the Display: Note any error codes or messages.
2. Consult Your Manual: Your inverter’s manual will have a troubleshooting section for common errors and reset procedures.
3. Perform a Reset: For many issues, turning off the inverter (using the DC and AC disconnects), waiting 5-10 minutes, and then turning it back on can resolve temporary glitches.
4. Inspect for Obvious Issues: Check for loose wires or obstructions around cooling vents.
5. Monitor Performance: See if the issue persists after a reset.
6. Contact Your Installer/Professional: If the error persists, there’s visible damage, unusual smells/sounds, or you’re uncomfortable troubleshooting, always contact a certified solar technician or your original installer. Attempting DIY repairs can be dangerous and may void your warranty.

No, generally not. Standard grid-tied inverters have an “anti-islanding” safety feature. This means they will automatically shut down during a power outage to prevent sending electricity back to the grid, which could endanger utility workers repairing the lines. To have backup power during an outage, you’ll need a hybrid inverter with a battery storage system or a dedicated off-grid inverter with batteries.

Yes, in many cases. If you have a standard grid-tied system, you can often add battery storage by either:

• Adding a dedicated battery inverter/charger that works alongside your existing solar inverter (AC-coupled system).
• Replacing your current grid-tied inverter with a hybrid inverter that can manage both solar and batteries (DC-coupled or AC-coupled, depending on the hybrid inverter type).

Consult with a solar professional to determine the best approach for your specific system.