Laboratory centrifuge Sigma 1-7
7 Malfunctions and error correction
Version 08/2018, Rev. 1.7 of 28/04/2022
• sb
39 / 68
Translation of the original operating manual, part no. 0703402
Pos : 152 /100 Sigma/110 BA Z entrif ugen Sigma (Proj ekt e)/ 1-16_1- 16K_1-7/070 Stör ungen und F ehl ersuche/ 070-0010- 0010 N ot entriegel ung 1-16_1-7 @ 28\m od_1405321108623_68. docx @ 196119 @ 3 @ 1
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. 8: Position of the opening for the emergency lid release
• Insert the supplied hexagon socket key horizontally into the hole and
turn it anti-clockwise to the stop. The lid lock will then audibly unlock.
Fig. 9: Manual release of the lid lock
• 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.
Pos : 153 /010 Univ ers almodul e/ Seit enwechs el @ 0\mod_1202116244312_0.docx @ 105 @ @ 1