Moving The Front Window To The Working Position; Silencing The Audible Alarm Signal - Thermo Scientific Safe 2020 Operating Instructions Manual

6. Handling and control
6.3.2

Moving the front window to the working position

1. Raising or lowering the front window:
• Press, then release the
• The red status indicator
• The audible alarm signal is on.
2. When the front window reaches the working position, the movement is
automatically stopped.
• The green status indicator
• The audible alarm signal is off if the airflow is steady.
3. If the movement starts above the working position, the front window must first
be lowered below the working position and then be raised again. To lower
the front window:
• Keep the
4. To stop the downward movement:
• Release the
6.3.3

Silencing the audible alarm signal

When the front window is moved out of the working position or when the
pressure sensors detect a safety-relevant change of the airflow velocities, the
corresponding visual and audible alarm signals are issued. The alarm remains
active until the front window has been moved to the correct working position or
until the airflow velocity corresponds with the preset values.
CAUTION – Unsafe working!
When the alarm signals are activated, safe
working is no longer ensured.
NOTE – Switching the alarm signals off
If the alarm signals fail to be switched off
automatically, move the front window to the
uppermost or lowest position and contact the
Technical Service.
key for approx. 1 second
on the display is illuminated
on the display is illuminated
key depressed
key
Operating Instructions Safety Cabinet Safe 2020 / Maxisafe 2020
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