MerryChef 402S Series Commercial Microwave Convection Tabletop Oven 20v

This oven works as intended but there is a high-pitched whistle coming from the rear fan when in use. Please see video for demonstration. 

The Merrychef 402S is a commercial high-speed, ventless rapid cook oven that combines microwave energy and convection heat to cook, reheat, toast, and finish menu items up to 10–15 times faster than conventional ovens while maintaining excellent food quality. It is designed for high-volume foodservice operations including cafés, convenience stores, quick-service restaurants, coffee shops, delis, and stadium concessions.

Key Features

• Combination cooking technology using:
  • 1,500W microwave power
  • 3,250W convection heating element
• Rapidly heats and crisps foods simultaneously for consistent results.
• Programmable menu settings with MenuKey® for one-touch operation and recipe consistency across multiple locations.
• Adjustable microwave power, convection temperature, and fan speed for customized cooking profiles.
• Stainless steel construction for durability and easy cleaning.