Technical information

Centrifuge Standard Operating Procedure 18
Diagnostic
Number/Message
Problem
Result
Recommended Action
R9 – Calibration
error
Rotor calibration
error
Run shuts
down with
maximum
brake
Make sure the rotor in use is
a compatible Beckman
Coulter rotor.
If the problem persists, call
the Instrumentation
Technician.
I1 – Rotor
imbalance
Rotor load is
severely out of
balance
Run shuts
down with
maximum
brake
Make sure t
hat tubes or
bottles are loaded
symmetrically in the rotor.
With swinging buckets,
remove the buckets and
lubricate the pivot pins.
-
During low-
temperature runs
(near -10oC) ice
forms around the
door opening
Door will not
open at the
end of a run
To min
imize icing, wipe
moisture from the chamber,
the chamber gasket, and the
inner door surface before
each run. Keep the door
closed as much as possible.
C2, C3, C5,
T1 through T4,
D1 through D12,
D14, D15,
S1 through S14,
H1 through H3
H5, H7, H8, H11
Call the
Instrumentation
Technician, ext
2361