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3 thoughts on “Top 10 Common PV Quality Defects – Part I

By on 21 March 2016

Evaluating and comparing the warranty coverage of each manufacturer can help assure you that your service and support needs will be covered in the unlikely event that a solar panel problem occurs post-installation. Manufacturers’ warranties are therefore an important complement to performance, quality, and durability metrics in assessing not only a panel manufacturer’s technical specifications, but also its business practices.

By bachakhan insafmal on 11 July 2018

hi sir
i bought two 300 watts solar panels 2 months ago and installed it, but now both solar panels have one dark dot on back of panel
I don,t know what happened to it but solar panels are working properly till now
any Idea
is it hotspot?
is it short circuit?
thank you

By Dricus on 7 August 2018

Hi Bachakhan, please send us a photo and our quality team will have a look: contact [ad]

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Dricus is Managing Director at Sinovoltaics Group “Your Solar Supply Network”, a solar technology company specialized in the Supply Chain Management and Quality Assurance of solar energy components.Dricus is based in Hong Kong and has been working in the PV industry in China for the past 9 years. Connect with Dricus on LinkedIn