Sigma 2-16PK - Operation and Lid Errors; Temperature and Error Codes

Operating Manual SIGMA 2-16PK page 47 of 77
05/2007
6.2.4 Lid cannot be opened
− When trying to open the lid, the
lid lock has not released.
• Close the lid again. Press down the
center of the lid until the lock audibly
locks. Open the lid again. If the error
occurs again, unlock the lid manually
(see
6.2.6 "Emergency lid release",
page
47) and call the service
− The lid cannot be opened
although the lock has audibly
unlocked.
• Check/clean the lid seal. Apply talcum
powder to the seal to avoid sticking.
6.2.5 Temperature value cannot be reached
− The centrifuge does not reach the
set temperature value.
• Check/clean the condenser (see
7.1.5,
page
52). If the error occurs again, call
the service.
6.2.6 Emergency Lid Release
In the event of a power supply failure, it is possible to manually open the
centrifuge lid using a stopper that is secured with a screw. It is located at the
upper right side.
• Switch off the mains power switch and disconnect the power cord from the
socket.
• Remove the stopper, e.g. with a screwdriver.
• Pull the visible string in order to release the lid.
• Then, reinsert the stopper into the opening.
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.