Visual inspection
Yes | No | |
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No modules with reverse polarity? By default, all positive poles are at the front. |
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No other defective parts (burned/black spots, melted parts) can be detected? |
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Are all the screws on the PE connections of the modules tightened? |
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No loose cables or parts visible? |
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Are all the locking plates installed? |
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Are all the fuses OK? |
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There are no visible defects at the time of the test. |
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