How to Fix a Bona Solar Freezer That’s Not Cooling Properly

Bona Solar Freezer Not Cooling Properly? Here's What You Need to Know

When it comes to keeping your food fresh and your drinks chilled, a solar-powered freezer like the Bona Solar Chest Freezer is a smart, Eco-friendly investment—especially for regions with unstable power supply. But what happens when it doesn’t cool as expected?

If your Bona solar freezer is not cooling properly, don’t panic. This guide will help you understand the common causes, how to troubleshoot, and what to do next.

 Common Causes of Inadequate Cooling in a Bona Solar Freezer

1. Insufficient Solar Input

Your freezer depends heavily on the power generated by solar panels. If your solar setup isn’t providing enough electricity:

• The compressor won’t run long enough to cool effectively.
• The battery may not charge fully, especially during cloudy days or if panels are dusty.

Fix: Clean your solar panels, ensure they face the sun directly, and check if your panel wattage meets the freezer’s requirements.

2. Weak or Dead Battery

The freezer uses battery power at night or during low sunlight. If the battery is:

• Old,
• Low in capacity, or
• Not charging fully,

…it may cause the freezer to warm up at night.

Fix: Test the battery voltage. If it’s below 11V, it may need to be replaced or upgraded to a higher capacity (e.g. 12V 200Ah or more).

3. Blocked Air Circulation Inside the Freezer

If your freezer is packed too tightly:

• Cold air can't circulate properly.
• Items may not freeze evenly.

Fix: Rearrange contents to allow air space between items. Avoid blocking the vents inside the freezer.

4. Frequent Door Opening

Opening the lid too often or for too long lets warm air in, causing the compressor to work harder.

Fix: Limit how often you open the freezer, and always close the lid tightly.

5. Faulty Thermostat or Compressor

If the thermostat malfunctions, it may not signal the compressor to run. Similarly, a failing compressor won’t cool at all.

Fix: Listen for the compressor hum. If silent or hot to touch, call a technician to inspect.

 Quick Troubleshooting Checklist

• ✅ Is the solar panel clean and working?
• ✅ Is the battery voltage above 12V?
• ✅ Are you opening the lid too often?
• ✅ Is there enough space inside for airflow?
• ✅ Do you hear the compressor running?

 Expert Tip

Make sure your solar kit matches the freezer rating. For instance, if your Bona freezer consumes 80W, a 200W panel with 12V 200Ah battery and 20A charge controller is ideal for stable performance.

 When to Call a Technician

If all else fails and the freezer still isn’t cooling:

• There may be a refrigerant leak, a defective compressor, or a control board failure.
• These are advanced issues that need professional diagnosis.
• 
   

🛒 Need a New Bona Freezer or Spare Parts?

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Stay cool, go solar.
Have questions about your freezer? Drop them in the comments or contact our support team!