RATIONAL Manuals & User Guides

RATIONAL is the global market and technology leader in innovative hot food preparation solutions for professional kitchens. The company specializes in intelligent cooking systems that combine efficiency, precision, and versatility to support chefs worldwide.

Its flagship products, such as the iCombi Pro and iVario Pro, replace conventional kitchen equipment by offering automated cooking, roasting, baking, and steaming processes. RATIONAL is dedicated to maximizing benefit for customers in restaurants, hotels, and large-scale catering operations through reliable German engineering and advanced culinary technology.

• How do I register my RATIONAL product for warranty?

  You can register your new unit at www.rational-online.com/warranty to secure the 2-year manufacturer warranty. Registration typically requires your unit's serial number.

• Where can I find the serial number on my iCombi Pro?

  The serial number is usually located on the type appearing on the door frame or the side of the unit. Refer to the identification plate section of your operator manual for exact placement.

• What cleaning chemicals should I use with the iCareSystem?

  Only use original RATIONAL cleaning and care tabs or cartridges (for AutoDose models). The use of non-approved chemicals may damage the unit and void the warranty.

• Can the iCombi Classic be used for residential cooking?

  No, RATIONAL units like the iCombi Classic and iCombi Pro are designed strictly for commercial use in professional kitchens and food-service operations.

• How often should the RATIONAL cooking system be serviced?

  To ensure the unit remains in perfect technical condition, it should be serviced at least once per year by an authorized RATIONAL Service Partner.