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5-1 Alert Indicators
Alert
SET ROTOR or
NO ROTOR
ROOM TEMP
VACUUM
CLOSE DOOR
Power-supply
voltage
Rotor Life 1
Rotor Life 2
Rotor Life 3
Rotor Life 4
Cause
1. Incorrect rotor is selected.
2. No rotor is installed.
1. High room temperature
2. The surrounding of the centrifuge
does not have a free circulation air.
1. Required level of vacuum cannot be
reached.
2. After a satisfactorily high level of
vacuum was reached, it lowered
(due
to,
for
instance,
leakage).
1.The [VACUUM] or [START] button
has been pressed with the chamber
door left open.
1.The power-supply voltage lowered.
1.The rotor life almost reaches the final
life (secondary life).
When a "Rotor life 1" alert signal
occurs, it indicates that this rotor
reaches the final life after it is operated
for twenty times or 100 hours or the
less.
1.The rotor life almost reaches the
primary life.
When a "Rotor life 2" alert signal
occurs, it indicates that this rotor
reaches the primary life after it is
operated for twenty times or 100
hours or the less.
1.Information of the registered rotors is
too much to enter the data on the
additional rotors.
1.The rotor life almost reaches the final
life (secondary life).
• Select the correct rotor.
• Install the rotor.
• Lower the room temperature.
• Remove
surrounding of the centrifuge.
• Wipe off the moisture from inside the
rotor chamber.
• Clean the chamber door seal, then
apply a thin coat of vacuum grease.
sample
(Refer to Section 4-1.)
• Check if the sample is leaking from
the rotor and/or tubes.
• Close the door completely and press
the [VACUUM] or [START] button.
• Check the power-supply voltage.
• Check that the total number of runs
and hours on the Rotor Management
screen. Do not use the rotor any
more when it reaches the final life.
Refer to the instruction manuals of
each rotors.
• Check that the total number of runs
and hours on the Rotor Management
screen. If the rotor life has reached
the primary life, contact
a Hitachi Koki authorized
sales/service representative to
inspect the rotor.
Refer to the " ROTOR, TUBES,
BOTTLES
No.S999204)".
• Register the additional rotors after
deleting unnecessary registered rotors
on the Rotor Management screen.
• Do not use the rotor any more when
it reaches the final life. Scrap this
rotor.
5-3
Action
the
objects
from
AND
CAPS
(Part
the
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