The drive belt inside the base has likely snapped or worn down. This is a known issue with the 750 Duotronic. The manual advises contacting an authorized service center, but today, a skilled DIYer can open the base (5 screws) and replace the belt with a generic 4mm square-cut rubber belt.
: Be extremely careful when handling the stainless steel blades, as they remain sharp even after years of use. Finding the Full PDF Manual moulinex masterchef 750 duotronic instruction manual
Moulinex Masterchef 750 Duotronic is a classic multipurpose food processor known for its durability and comprehensive attachment set, typical of Moulinex's vintage French engineering. The instruction manual serves as a vital roadmap for utilizing its "Duotronic" variable speed system and maintaining its various mechanical components. www.moulinex-me.com Core Components and Technical Specifications The drive belt inside the base has likely