Did you try looking at the Mastervolt web site? It is all right there.
Service | Mastervolt
Warranty conditions
Mastervolt guarantees as standard the functioning of its products in case of normal use (in accordance with the specifications given) for a period of two years for maritime products. The warranty period starts after the product or component has been purchased from a Mastervolt retailer (unless the manual or other description indicates otherwise, for example for generators and batteries).
The warranty can be extended at the time of
purchase for a period of five years. Ask your Mastervolt dealer for the possibilities.
The product warranty extends to the costs of
repairs and/or replacement of defect components. The possible costs of (dis)assembly, shipment and/or the travel expenses of the technicians are not included.
The warranty lapses when damage has resulted from the use of Mastervolt products in circumstances not included in the specifications, from incorrect
installation or
maintenance and/or from exchange or modifications that was performed by parties other than Mastervolt certified
service points.
For the complete warranty conditions of maritime products, click
here.