2. Forfeiture of the guarantee
Die Garantie für unsere Produkte ist in den folgenden Fällen nicht gültig:
(a) if the product is a "sample" or "not for sale";
(b) if the product was purchased from an unauthorized dealer or reseller;
(c) if trademarks, serial plates, or product stickers have been removed, altered, or tampered with;
(d) if the product has been disassembled, mishandled, improperly used, or defaced;
(e) if firmware upgrades have been performed without the guidance of an authorized technician;
(f) if damages have occurred due to accidents, disassembly, misuse, maintenance, or alteration by anyone other than the authorized seller, or if the spare part has been used beyond the warranty period;
(g) if the product has been damaged due to an unsuitable working environment or operation, such as inappropriate temperature, humidity, unusual physical or electrical stress or interference, failure or fluctuation of electrical power, static electricity, use of an incorrect power supply, etc;
(h) if the product has been damaged due to violations of instructions for safe handling and use of batteries;
(i) if the product has been damaged due to force majeure, natural disasters, etc.
(j) wenn die Garantie nur für den Erstkäufer gilt und nicht übertragbar ist.