- 66 -000037DGGeneral conditionsChecking and maintenance operations must be carried out by specializedstaff assigned to carry out this work.Maintenance operations must be performed with the apparatus disconnected from the grid(power switch open) and the photovoltaic panels obscured or isolated, unless otherwiseindicated.For cleaning, DO NOT use rags made of filamentary material or corrosive products that maycorrode parts of the equipment or generate electrostatic charges.Avoid temporary repairs. All repairs should be carried out using only genuine spare parts.The maintenance technician is under an obligation to promptly report any anomalies.DO NOT allow the equipment to be used if problems of any kind arefound, and restore the normal conditions correctly or otherwise makesure that this is done.Always use the personal protective equipment provided by the employer and comply with thesafety conditions of the Accident prevention chapter.8Maintenance