Laboratory Centrifuge Sigma 6-16S
7 Malfunctions and error correction
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Version 07/2012, Rev. 1.22 of 08/05/2020
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Translation of the original operating manual, part no. 0702002
7.1.1
Emergency lid release
In the event of a power failure, it is possible to manually open the
centrifuge lid.
• Switch off the mains power switch and disconnect the power cord from
the socket.
• Remove the plugs (see figure, item 1) from the opening on the left and
on the right side of the control panel, e.g. with a screwdriver.
Fig. 31: Position of the openings for the emergency lid release
• Insert the supplied hexagon socket key horizontally into the hole. The
key will be guided through a funnel-shaped tube to the shaft of the lid
lock motor.
Fig. 32: The emergency lid release key must be inserted horizontally
• Unlock the motorised lid locks as follows:
– Turn the left lid lock anti-clockwise.
– Turn the right lid lock clockwise.
• Then, reinsert the plugs.
WARNING
Do not unlock or open the lid unless the rotor is at a standstill.
If the lid is opened via the emergency lid release system during a centrifuge
run, the centrifuge will be switched off immediately and decelerate in an
unbraked manner.
