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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