Photovoltaic panel glass crack repair liquid

If your solar panel is only cracked, you can try to repair it with silicone sealant or epoxy. These materials can be found at your local hardware store. [pdf]

Solar panel controller repair

How to Troubleshoot and Repair Your MPPT Solar Charge Controller1. Visual Inspection Inspect the controller’s enclosure for any physical damage or signs of overheating. . 2. Voltage and Current Measurements Use a multimeter to measure the solar panel’s voltage and current output. . 3. Component Testing . 4. Software Update and Reset . 5. Professional Assistance [pdf]