How to Repair Solar Panels (7 Problems and Solutions) - SHIELDEN

How to Repair Solar Panels (7 Problems and Solutions)


Detailed Description: Breakage is one of the common problems of solar panels, which may occur on the surface of solar panels, such as the glass or the edge part, usually caused by the collision during transportation or long-term use.

Repair Methods: When you find a broken solar panel, you should take immediate measures to repair it so as not to affect the performance of the whole system. Repairing with glue or silicone is a quick and effective method, but for larger breaks it may be necessary to consider replacing the entire panel.


Detailed description: Leakage refers to water leakage on the surface of solar panels, which may be caused by processing errors or improper sealing of interfaces.

Repair: In the event of a leak, the first step is to identify the location of the leak, clean it thoroughly and repair it with the appropriate sealant. When choosing the glue, make sure that its color, material and use match the solar panel to ensure the repair effect.


Detailed description: Oxidation refers to the surface of the solar panels appear oxidized layer, usually due to pollutants in the environment or caused by prolonged use.

Repair method: For oxidization, you can use cleaner or alcohol to clean the surface, but before cleaning, you need to make sure to disconnect the power supply of the solar panel to avoid accidental electric shock. After cleaning, any residual cleaner should be thoroughly removed to prevent adverse effects on the solar panels.

Solar panel cell damage:

Detailed Description: Cell damage refers to the fact that one cell group in a solar panel draws less current than the others, which may affect the performance of the entire system.

Repair Methods: Once found that the electric core is damaged, the damaged battery should be replaced immediately to ensure the normal operation of the system. When replacing the batteries, care should be taken to select new batteries that match the parameters of the original batteries and ensure that they are installed correctly.

Loose or damaged welds:

Detailed Description: Loose or damaged welds on solar panel wires can cause circuit interruption or current leakage.

Repair method: For loose or damaged welds, you need to check if there is any burnout and then re-solder. If the weld is only loose, re-soldering is sufficient, if the weld is damaged, re-soldering is required.

Broken solar panel glass:

Detailed Description: Broken glass panels can lead to reduced performance or even complete failure of the solar panel.

Repair method: For the broken glass sheet, you need to remove and replace the new glass sheet in time. During the replacement process, special attention should be paid to safety protection to avoid accidental injury.

Broken solar panel sealant:

The sealant is designed to protect the internal circuitry and batteries of the solar panel from the external environment, such as moisture, dust, etc. When the sealant is broken, the solar panel will be damaged. When the sealant is broken, it will cause moisture to penetrate into the interior of the solar panel, leading to short circuit, battery oxidation and other problems, which will seriously affect the performance and life of the solar panel.

Repair method: Once the sealant is found to be broken, the broken sealant should be replaced in time to prevent moisture from seeping into the solar panel. When replacing the sealant, you should choose materials that match the original sealant and ensure that the sealing process meets the standards to ensure its sealing and durability.

Back to blog