Maintenance:

Check if mounting structure is loose. Tighten the loose connection again, if required.

Check connections of cables, grounding cables and connectors.

Clean the face often with soft cloth etc.

Changed solar module must be the same kind and type.

Don’t touch live parts of cables and connectors. Use appropriate safety equipment (installed tools, insulating gloves, etc), when touching them.

Cover the front surface of the solar module by an opaque cloth or other material when repairing.

The solar panel when exposed to sunlight generate high voltage and are dangerous.