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The cleaning frequency depends on the accumulated frequency of the fouling. In many instances the front
surfaces of the Modules will be cleaned with the rain, and we can decrease the cleaning frequency. It is
recommended to wipe the glass surface with a wet sponge or soft cloth. Please do not clean the glass with a
cleaning agent which contains acid or alkali.
8.2 Visual Inspection of Modules
Inspect the Modules visually to find whether there are appearance defects, the following need particularly
special attention:
A)
Whether the glass is broken;
B)
Corrosion along the cells' bus-bar.
The corrosion is caused by the dampness infiltrated into the Modules because that the surface encapsulation
materials are damaged during the installation or transportation.
C)
Whether there is burning vestige on the back sheet.
8.3 Inspection of connector and cable
It's recommended to implement the following preventive maintenance every 6 months:
A)
Check the encapsulation of the connector with the cable.
B)
Check the sealing gel of the junction box to ensure it have no crack or crevice.