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TROUBLESHOOTING
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CENTRY™ 103 MINICENTRIFUGE
Chapter 6
TROUBLEShOOTING
Troubleshooting Table
The following table may help you to identify and correct the potential problem you might
encounter.
SYMPTOM
POSSIBLE CAUSES
ACTION
The rotor does not
rotate.
The instrument is not correctly
plugged.
Verify and plug in the
instrument properly.
The batteries are close to
dying.
Replace the batteries or
use the AC adapter.
Foreign substances are
deposited on the axis of the
rotor.
Remove the foreign
substances.
Coating on the surface of the
motor commutator caused by
prolonged storage.
Turn the rotor by
hand slowly five or six
revolutions.
Motor’s overcurrent is
detected, and the overcurrent
protection circuit is activated.
Turn off the power switch
and wait at least one
minute.
The rotor stops while it is
spinning.
Motor’s overcurrent is
detected by unbalanced load,
and the overcurrent protection
circuit is activated.
Balance the load
Turn off the power switch
and wait at least one
minute.
Excessive vibration and
noise occur.
The load is unbalanced.
Balance the load.
Foreign substances adhere to
the rotor or the inside of the
chamber.
Remove the foreign
substances.
Return for Repair
If any problem persists, please contact your local Gilson Service Center.
Forced opening of the instrument invalidates any warranty claim. Enclose with the
returned instrument a description of the issue that has occurred and specify how the
instrument was used (duration, microtubes used, load of the rotor, etc.)
CAUTION
Returned instruments can only be checked and repaired if they have been carefully
cleaned and decontaminated by the customer.
