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CB-S / CB-S-UL (E7) 06/2020 page 16/119
• Non-observance of messages regarding cleaning and disinfection of the chamber.
• Spilling water or cleaning agent on the chamber, water penetrating into the chamber during operation,
cleaning or maintenance.
• Cleaning activity while chamber is turned on.
• Operation of the chamber with a damaged housing or damaged power cord.
• Continued operation of the chamber during an obvious malfunction
• Insertion of objects, particularly metallic objects, in louvers or other openings or slots on the chamber
• Human error (e.g. insufficient experience, qualification, stress, exhaustion, laziness)
To prevent these and other risks from incorrect operation, it is recommended the operator issue operating
instructions and standard operating procedures (SOPs).
1.12 Residual Risks
The unavoidable design features of a chamber, as well as its proper field of application, can also pose
risks, even during correct operation. These residual risks include hazards which, despite the inherently
safe design, existing technical protective equipment, safety precautions and supplementary protective
measures, cannot be ruled out.
Messages on the chamber and in the Operating Manual warn of residual risks. The consequences of
these residual risks and the measures required to prevent them are listed in the Operating Manual. More-
over, the operator must take measures to minimize hazards from unavoidable residual risks. This in-
cludes, in particular, issuing operating instructions.
The following list summarizes the hazards against which this Operating Manual and the Service Manual
warn, and specifies protective measures at the appropriate spots:
Unpacking, Transport, Installation
• Sliding or tilting the chamber
• Setup of the chamber in unauthorized areas
• Installation of a damaged chamber
• Installation of a chamber with damaged power cord
• Inappropriate site of installation
• Missing protective conductor connection
Normal operation
• Assembly errors
• Contact with hot surfaces on the housing
• Contact with hot surfaces in the interior and inside of doors
• Emission of non-ionizing radiation from electrical operating resources
• Contact with live parts in normal state
Cleaning and Decontamination
• Penetration of water into the chamber
• Inappropriate cleaning and decontamination agents
• Enclosure of persons in the interior
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