The test includes:

1. Qualified Company Photovoltaic Maintenance

   The label marks services and work processes in the areas of

   • General and staff
   • Documentation & logging
   • Scope of maintenance
   • Maintenance of the generator field
   • Maintenance of generator junction boxes
   • Maintenance of inverters
   • Maintenance of the network connection, transformer and switchgear
   • Review of the fence and the building roof surfaces

   as related to grid-connected solar power systems. This guarantees that customer service in all areas is factually correct and sufficient. Overall, all definitions of testing criteria serve to evaluate and make transparent the measures for ensuring both continued plant operation and customer satisfaction.