I had a 30 panel system installed and 3 of the panels do not work. When initially turned on two of the panels showed up but produced no power and the third did not pair.The installers came back out and said the optimizers were faulty. They said they ran a voltage test and didn't get anything out of them. The layout is 8 rows total with 6 rows with 4 panels in them and 2 rows with three. All the faulty optimizers are in one on the rows with the 3 panels. This seems strange to me to have 10% defect rate on brand new optimizers and they are all in the some column. Does anyone know what the average defect rate for solaredge optimizers are and will I have problems down the road. I supplied the materials and had a solar company install them so they want $250.00 to swap them out. I think thats fair as long as it is the optimizers and not the installation.
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question on 3 dead solaredge p-400 optimizers out of 30 on new install