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] 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] DO NOT use any polish, but use a specific polish designed for plastics such as the Novus range or Plexus or 3M. Generally hand polishing is recommended.
[pdf] In short, there is largely no such thing as “free solar panels” in terms of government grants that will cover 100% of the installation costs.
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