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VD (E3.1) 10/2020 page 16/179
1.9 Foreseeable Misuse
Other applications than those described in chap. 1.8 are not approved.
This expressly includes the following misuses (the list is not exhaustive), which pose risks despite the
inherently safe construction and existing technical safety equipment:
• Non-observance of Operating Manual
• Non-observance of information and warnings on the chamber (e.g. control unit messages, safety
identifiers, warning signals)
• Installation, startup, operation, maintenance and repair by untrained, insufficiently qualified, or
unauthorized personnel
• Missed or delayed maintenance and testing
• Non-observance of traces of wear and tear
• Insertion of materials excluded or not permitted by this Operating Manual.
• Non-compliance with the admissible parameters for processing the respective material.
• Installation, testing, service or repair in the presence of solvents
• Installation of replacement parts and use of accessories and operating resources not specified and
authorized by the manufacturer
• Installation, startup, operation, maintenance or repair of the chamber in absence of operating
instructions by the operator
• Bypassing or changing protective systems, operation of the chamber without the designated protective
systems
• 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 the 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, the operator shall issue operating instructions.
Standard operating procedures (SOPs) are recommended.
1.10 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.
Moreover, the operator must take measures to minimize hazards from unavoidable residual risks. This
includes, 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:
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