Labnet Prism R Refrigerated Microcentrifuge - Manual (Page 19)

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authorized service.
Symptom Possible Cause Solution
Press
(START/STOP)
knob when Lid is open.
Close the lid “ ” Error
Defective lid lock
sensor
Call for service
Tubes are not inserted
symmetrically in rotor
holes
Load tubes
symmetrically
Sample liquid in tubes
not properly balanced
Make sure that the
same volume of
liquid is in each tube
Defective or improperly
adjusted balance
sensor
Call for service
“ ” Error
(rotor
imbalance)
Rotor is stuck when a
run starts
Call for service
Lid not closed correctly Close lid correctly Centrifuge
cannot be
started,
although power
is on
No speed or time has
been selected
Set speed and/or
time
No power supply Check power
source
Check the power
cord connection
Check the power
cord quality
Centrifuge will
not start
Blown fuse Check the fuse and
replace if necessary