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CB / CB-UL, CBF / CBF-UL (E7) 07/2021 Page 157/197
The sterilization program must not be interrupted using the Program pause icon.
NOTICE
Danger of interrupting the temperature reaction time by pausing the sterilization
program during the heating up or holding phase.
Ineffective sterilization.
∅ DO NOT interrupt a running sterilization program during the heating up or holding
phase of the sterilization cycle.
If necessary, repeat the sterilization.
21.3.4 Prematurely terminating the sterilization cycle
Three events lead to terminating the sterilization cycle prematurely:
• Cancelling the program via the controller menu
To prematurely terminate the sterilization cycle via the controller menu, press the Program cancelling
icon and confirm the confirmation prompt with the Confirm icon (chap. 9.2.2).
• Opening the outer door
• Turning off the chamber at the main power switch, or a power failure
Prematurely terminating the sterilization cycle means terminating it before the entire 10-hour duration is
completed. Whether effective sterilization has occurred depends on the time that has elapsed before.
21.3.4.1 Prematurely terminating the sterilization cycle after less than 4 hours: Ineffective
sterilization
After prematurely terminating the sterilization
cycle after less than 4 hours, t
he information
“Sterilization failed” is shown on the controller
display.
The interior may still be hot. Do not touch the
glass door and inner surfaces!
Confirm the message with the Confirm icon.
After confirming the message the controller changes to Fixed value operation mode. The setpoints of Fixed
value operation mode are then equilibrated.
CO
2
/ O
2
control is deactivated and will only be activated after confirming the information
message “Sterilization failed” and when the temperature has cooled down to a value below <
80 °C.
When prematurely terminating the sterilization cycle, it may be that the cells/pathogens inside the chamber
have not all been killed. If necessary, you should repeat the sterilization.
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