Conduct regular maintenance and inspections:Regularly inspecting and maintaining PV systems can help identify and rectify potential defects and failures before they become major issues. This includes checking for loose connections, and damaged or corroded components, and ensuring that the system is operating within its design parameters.
Address electrical issues: Electrical issues such as loose connections, damaged wiring, or malfunctioning inverters can cause PV systems to fail. It is important to address these issues as soon as they are identified, as they can cause system-wide failures and reduce the overall efficiency of the system.
Replace damaged or worn components: Damaged or worn components, such as modules, inverters, and other electrical components, can cause PV systems to fail. It is important to replace these components as soon as possible to ensure that the system is operating at maximum efficiency.
Monitor system performance: Monitoring the performance of PV systems can help identify potential failures and defects. This includes monitoring the system's power output, voltage, and current, as well as monitoring the system's overall performance using data logging and monitoring software.
Seek professional help: If you are unable to identify and rectify the defect or failure on your own, it is best to seek professional help. A qualified solar professional will have the knowledge and experience to diagnose and fix problems with PV systems.
Keep the PV panels clean: Dust, grime, and bird droppings can make PV panels less efficient. Regular cleaning can help maintain the efficiency of the PV panels.
Check the angle of installation: The angle of installation of the PV panels is critical. If the angle is not correct, the PV panels will not be able to capture the maximum amount of sunlight. This can lead to a decrease in efficiency and power output.
Check the inverter settings: The inverter is responsible for converting the DC power generated by the PV panels into AC power that can be used by the household. If the inverter settings are not correct, the PV system will not work as efficiently.
Check the wiring: Wiring is an important part of the PV system. If the wiring is not done correctly, the PV system will not work as efficiently. It is important to check the wiring periodically to ensure that it is secure and in good condition.
Keep the PV system under warranty: Most PV systems come with a warranty. This can help in case of any defects or failures. It is important to keep the PV system under warranty to ensure that it is protected in case of any defects or failures.

Read More: Common problems in PV plant