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
