PN B07493AD
3-4
Troubleshooting
Other Possible Problems
Other Possible Problems
Operating problems that may not be indicated by diagnostic messages are described in
Table 3.2
,
along with probable causes, listed in the probable order of occurrence, and corrective actions.
Perform the recommended corrective action in sequence, as listed. If you are unable to correct the
problem, call Beckman Coulter Field Service.
I1
–
Imbalance, see
manual
Rotor load is severely
out of balance
Run shuts down
with maximum
brake
•
Make sure that tubes or bottles are
balanced and loaded symmetrically in the
rotor as described in the applicable rotor
manual.
•
With swinging bucket rotors, remove the
buckets and clean and lubricate the pivot
pin sockets where the buckets contact as
described in the applicable rotor manual.
Unlubricated pivot pin sockets can prevent
the buckets from reaching horizontal
position, which can cause imbalance.
•
Press
CE
to clear message.
Rotor tie-down is not
properly fastened
Run shuts down
with maximum
brake
Make sure rotor lid is properly aligned and tie-
down T-bar is securely fastened. Press
CE
to
clear message.
Centrifuge is
misaligned (tilted)
Run shuts down
with maximum
brake
Level the centrifuge on the bench or table.
Press
CE
to clear message.
Centrifuge was
moved during
operation
Run shuts down
with maximum
brake
After the rotor comes to a complete stop, open
and close the centrifuge door, then restart.
Press
CE
to clear message.
Drive error
(mechanical damage)
Run shuts down
with maximum
brake
Call Beckman Coulter Field Service.
I4
,
15
, and
l6
–
Imbalance error,
call Service
Imbalance sensor
failed or improperly
calibrated
Cannot start run
Call Beckman Coulter Field Service.
a. In the United States, call 1-800-742-2345. Outside the U.S., contact your local Beckman Coulter office or visit us at www.beckmancoulter.com.
Table 3.1
Diagnostic Message Chart
(Continued)
Diagnostic
Number/Message
Problem
Result
Recommended Action
