How often do you maintain an off-grid system,and what should you pay attention to when maintaining?

If conditions permit, check the inverter every half month to see if its operating status is in good condition and any abnormal records; please clean the photovoltaic panels once every two months, and ensure that the photovoltaic panels are cleaned at least twice a year to ensure photovoltaics  power generation efficiency of the board; and regularly check whether any parts are damaged, and the damaged parts should be replaced in time, check the wiring, and the accessories are firmly connected.

Note: Pay attention to electrical safety during maintenance, remove the metal ornaments on your hands and body, turn off the machine and cut off the circuit for maintenance if necessary.