Solar panels in the manufacturing, transportation, setting, as well as due to aging, there will be a variety of failures. The author will test the failure of the method, introduced Chemitox (Tokyo Metropolitan Area) in the evaluation of the service in the case and the accumulation of knowledge.
This paper introduces the fault case caused by corrosion. Photovoltaic power plant put into operation after the customer reported that solar panels power abnormal. The investigation failed to find the battery unit (power components) and the abnormal junction box.