Fisher Scientific accuSpin 3, Operating Instructions Manual

Page: 56 / 82

Troubleshooting
52
Error Symptom Possible causes and corrective measures
– Centrifuge is exceptionally
noisy. Imbalance.
1. Stop the centrifuge by pressing the "stop" key, in case of
emergency, unplug mains power cord.
2. Wait until the centrifuge comes to a complete stop.
3. Check whether the rotor is properly loaded.
4. Check whether a broken tube, damage to the rotor or
motor malfunction is responsible for the noise.
If you cannot locate and solve the problem yourself, contact
service.
Message "bAl " appears
in display.
Rotor stops with
deceleration. Imbalance switch actuated
1. Open the instrument by pressing "open lid" key ..
2. Check whether the rotor is properly loaded.
3. Check whether a broken tube or damage to the rotor was
responsible for imbalance switch actuation.
4. Check that the trunnions of the swinging bucket rotor have
been properly lubricated.
If you cannot locate and solve the problem yourself, contact
service.