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Refrigerated centrifuge Sigma 4-5KL
Refrigerated centrifuge Sigma 4-5KL IVD
7 Malfunctions and error correction
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Version 06/2020, Rev. 1.2 of 28/04/2022
• sb
Translation of the original operating manual, part no. 0703602
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 plug (see figure, item 1) from the opening on the left side of
the control panel, e.g. with a screwdriver.
Fig. 34: Position of the opening 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. 35: The emergency lid release key must be inserted horizontally (example illustration)
• Unlock the motorised lid lock by turning it clockwise.
• Then, reinsert the plug.
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.