Centrifugation - Thermo Scientific Sorvall RC-4 Instruction Manual

4
Operation

Centrifugation

Changing the Settings during a Run
You can change the set values during a run. Press either the key
The value that is being changed flashes. When the new value is stored the actual value is shown
in the display.
Centrifugation
Once the rotor has been properly installed, the main switch has been turned on and the door has been
closed, you can start centrifuging.
Starting Centrifuge Program
Press the
shows the remaining run time. If you have selected continuous operation, the time display counts up.
If you have selected a value that is above the maximum speed or RCF-value, the display will flash for
15 seconds between
a. Please enter a new value. Within this period, it is possible to accept this value by again pressing
b. After 15 sec. the rotor will be decelerated. Always wait until the rotor has come to a stop
You cannot open the door as long as the centrifuge is running.
Imbalance Indicator
If a load is imbalanced, this will be indicated at speed higher than approx. 300 rpm. The display shows
the following message:
The run will terminate.
Check the loading and start the centrifuge once again. See the information on proper loading in the
rotor instruction manual. For information on troubleshooting, see section
on page
4-8
Sorvall RC-4
key on the control panel. The centrifuge accelerates up to the set value. The time display
rotor
and the maximum value for the installed rotor.
the key. The centrifugation is then continued.
without braking.
By opening and closing the lid you reset the message rotor.
After entering a permissible speed you can start again.
6-3.
or below the display.
"Troubleshooting by User"
Thermo Scientific