General system maintenance can be performed by the system owner. Checking the mountings of the frames and solar panels Cleaning the solar panels Checking the rooftop isolator for any loose connections or water ingress Checking the rooftop isolator operation Checking for loose connections between the solar panels Checking the inverter mountings Checking A/C and D/C isolators for water ingress and loose connections Complete an anti-islanding test Measure and record output at inverter of strings Check and record inverter performance history Checking operation of the shutdown procedure Always engage a qualified technician

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