54 / 568. Warranty8.1 Warranty PeriodGoodWe provides standard warranty period of 5 years for DT seriesproducts (Warranty period begins from the date on purchaseinvoice). Additional provision will be subject to contract.8.2 Warranty CardWarranty card and purchase invoice should be properly kept withinproduct warranty period. Meanwhile, the nameplate on productsshall be clear to read. Otherwise GoodWe may deny the warrantyservice or only provide paid service.8.3 Warranty ConditionsAccording to GoodWe product description and instruction, if adevice becomes defective within warranty period, and it is provedthat further functional performance is impossible due to productquality problem, the device will be, as selected by GoodWe:A Return to the factory for maintenance;B Onsite maintenance;C Products Replacement;If the original model has stopped in production, GoodWe willprovide a replacement device of equivalent value according tomodel and age.8.4 Scope of WarrantyWarranty declaration is excluded in the following situations: Products or fittings exceed warranty period (exclude the warranty