4) All parts that prove defective due to: negligence or carelessness in use or storage, incorrect or improper use of the appliance are not covered by this Warranty; failure to comply with the operating instructions; incorrect installation, repairs carried out by unauthorized personnel, use of non-original accessories or spare parts; normal wear and tear of materials due to normal use of the appliance (in particular, calcification and wear of parts subject to wear, such as gaskets or water filter); lightning, humidity, fire, incorrect power supply voltage, other events not objectively attributable to the manufacturer or, in any case, not constituting manufacturing defects of the appliance. WHAT TO DO ALTERNATIVELY? The seller protects you for damage caused during transport. To activate tran.