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~~~~~~~~
Centrifuges
4.
Observe
the
IMBALANCE
light
as
the
rotor
accelerates
to
2000
~~~~
If
the
minimum
weight
causes
the
IMBALANCE
light
to
come
on
and
the
centrifuge
to
s~ut
off,
the
detector
is too
sensitive.
a.
Adjust
R101,
on
the
Controller
~~~~
Board,
clockwise
to
decrease
imbalance
sensitivity.
~~
Press
the
START
switch.
~~
Repeat
step
3 on
previous
page.
If
the
minimum
weight
does
not
cause
the
IMBALANCE
light
to
come
on:
a.
Press
the
STOP
switch.
b.
Leave
the
rotor
on
the
drive
spindle.
Remove
the
minimum
weight
from
the
tube
compartment
and
place
it in
the
oppo¬
site
tube
compartment.
c.
Press
the
START
switch.
~~
Repeat
step
3 on
the
previous
page.
If
the
minimum
weight
in
the
opposite
tube
compartment
causes
the
IMBALANCE
light
to
come
on
and
the
centrifuge
to
shut
off,
the
detector
is
too
sensitive.
a.
Adjust
R101,
on
the
Controller
P.
C.
Board,
clockwise
to
decrease
imbalance
sensitivity.
b.
Press
the
START
switch.
c.
Repeat
step
3
for
minimum
weight
in
opposite
tube
compartment.
If
the
minimum
weight
in
the
opposite
tube
compartment
does
not
cause
the
IMBALANCE
light
to
come
on:
a.
Press
the
STOP
switch.
b.
Leave
the
rotor
on
the
drive
spindle.
Remove
the
minimum
weight
from
tube
compartment
B.
c.
Go
to
step
5.
5.
Install
the
maximum
weight,
20
grams,
in
the
bottom
of
one
of
the
rotor
tube
compartments.
Secure
the
lid
on
the
rotor
and
close
the
centrifuge
chamber
door.
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