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Drive System
Safety Interlock
Imbalance Detection
Thermo Fisher Scientific
•
Drain the centrifuge bowl.
•
Insert the plug back into the hose.
Attention Do not remove the plug from the drain hose during
centrifugation. L
A three phase brushless motor drives the rotating equipment. The rotor
is contained in a sealed, armor plated centrifugation chamber.
The brushless motor requires no maintenance. A control system
ensures the correct drive speed, which is continuously monitored.
The T3/G3 centrifuge series are equipped with an interlock system that
assures two basic safety features:
System
•
The run cannot be started if the lid is not correctly closed.
•
The centrifuge lid cannot be opened if the rotor is running.
The centrifuge will not operate until the lid is closed and latched in
place.
The lid remains latched until the rotor stops spinning. The lid access
lamp indicates when the rotor has stopped: consequently the handle on
the right hand side of the centrifuge can be used to open the lid.
If a power failure occurs, access to the samples in the centrifuge is
possible via a manual lid opening procedure (see appropriate
paragraph). For this operation a special tool (supplied with the
centrifuge) is required.
Bypass the interlock system only under emergency conditions as the
rotor could still be rotating.
The T3/G3 centrifuge series are equipped with a load imbalance
detector.
System
In case of excessive imbalance, the load imbalance indicator LED is
illuminated and the brake is applied immediately. The rotor will be
decelerated to rest in few seconds.
As soon as the motor stops, open the centrifuge and redistribute the
samples to produce an equal weight on diametrically opposite sides.
If the message persists, despite your efforts to balance the load, call
your Thermo Service representative.
Chapter 1
Use and Function
T3/G3
1-3
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