Snail trails are a type of defect that appears as dark or discolored patterns on the surface of solar panels and can be seen with the naked eye. They are caused by a chemical reaction within the panel's encapsulation material caused by moisture and oxygen.
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Burn marks on solar panels are dark, discolored, sometimes charred spots that can appear on the glass surface or internally near cells and connections. They often indicate overheating or electrical failure.
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Solar panel discoloration is typically the result of long-term exposure to the elements, such as sunlight, rain, and dust. This issue may affect the aesthetic appearance of the panels, but it does not generally impact their functionality or efficiency.
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Hot spots are regions of extreme heat that influence solar cells by absorbing energy rather than producing it.
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