LONGi Solar Technology Solar Panel LR4-60HIH-***M

Check the tightness of the connectors and cables

Check for cracks or gaps in silicone near the junction box

Is additional maintenance required?

Describe any issues found during inspection

Check PV modules for signs of aging

Check for sharp objects in contact with PV modules’ surface

Check for obstacles shading the PV modules

Check and fix module mounting system

Are there any loose or damaged screws between the modules and mounting system?

Adjust and fix any loose or damaged screws

Ensure no environmental factors are shading the modules

Is the module surface free from shadows?

Identify contaminants on module surface

Is the module surface transparency affected by contaminants?

Use sponge dipped with clean water or soft cloth to wipe the glass surface

Avoid using acid and alkaline detergents

Avoid using tools with rough surfaces