Lid Cannot Be Opened; Emergency Lid Release - Sigma 2-6E Operating Manual

6.2.4

Lid cannot be opened

− When first trying to open the lid,
the locks are not released. Lid
key LED flashes.
− The lid cannot be opened,
although both locks have audibly
unlocked.
6.2.5

Emergency Lid Release

In the event of a power supply failure, it is possible to manually open the
centrifuge lid using two stoppers that are secured with screws. They are located
on the front of the bottom panel.
Switch off the mains power switch and disconnect the power cord from the
•
socket.
Unscrew the screws in the stoppers.
•
Remove the stopper, e.g. with a screwdriver.
•
Pull the visible strings in order to release the lid. Then, reinsert the stoppers
•
into the openings.
Reinsert the screws centrally.
•
Fig. 6.1: Screw for the emergency lid release
The lid may only be unlocked and opened when the rotor is at a standstill.
If the lid is opened by way of the emergency lid release during operation, the
centrifuge will be switched off immediately and decelerate brakeless.
Version 04/2008, Rev. 1.18 of 07/06/2012
Translation of the original operating manual
• Close the lid again. Press down both
sides of the lid until the locks audibly
lock. Open the lid again. If the error
occurs again, unlock the lid manually
(see 6.2.5 "Emergency lid release",
page 40) and call the service.
• Check/clean the lid seal. Apply talcum
powder to the seal to avoid sticking.
String
Screw
Stopper
page 40 of 65