Labnet Spectrafuge 24D Digital Microcentrifuge User Manual
Page 10
7
6. Troubleshooting Guide
Please refer to this guide before calling for service.
Centrifuge will not start
Possible
reason:
No
power
supply
Solution:
Check
that
power is being supplied to the outlet
Check that the power cord is plugged into both
the wall outlet and the back of the centrifuge
Check
that
power
cord
is
not
damaged
Possible
reason:
Blown
fuse
Solution:
Check fuse and replace if necessary
Lid lock will not release
Possible
reason:
Defective
lid
lock
Solution:
Open
manually
and
have
unit
serviced
Possible reason:
No power from PC board
Solution:
Call
for
service
Possible reason:
Lid lock is jammed
Solution:
Call
for
service
Possible reason:
Centrifuge is not receiving power
Solution:
See
“Centrifuge
will
not
start”
Centrifuge cannot be started, although power is on
Possible reason:
Lid not closed correctly
Solution
Close
lid
correctly
Possible reason:
No speed or time has been selected
Solution:
Set
speed
and/or
time
bAL: Error Message Indicates imbalance
Possible reason:
Tubes not inserted symmetrically in rotor holes
Solution:
Load
tubes
symetically
(see
Section
3.4
on
Loading
the
rotor
Possible reason:
Sample liquid in tubes not balanced
Solution:
Make sure the same volume of liquid is in each
tube
Possible
reason:
Defective
or
improperly adjusted balance sensor
Solution:
Call
service
Lid: (Error message) Lid not closed
Possible reason:
Lid not closed completely
Solution:
Close
lid
Possible reason:
Lid lock or sensor defective
Solution:
Call
service
Other Error Messages Er on Display
Solution: Press time or speed knob to clear error
Call
service