10
EXECUTIVE SERIES CENTRIFUGE II OPERATION MANUAL
Error
Causes
DISPLAY ERROR MESSAGE:
LID
Lid not released
Lid not locked
Er 2
Unbalanced rotor
switch
Improper
Er 3
Balance/Error in
speed system
Er 5
Lid Switch
Inb Rotor
Rotor is unevenly
loaded
Int
Power failure during
run
Er 6
Drive error
Er 7
Overspeed
Er 8
Drive error
Er 9-25
Electronics error
Er 23
Motor overheating
TROUBLESHOOTING GUIDE CONTINUED
Solution 1
Press lid down tight,
press Start/Stop or
emergency release
(Pull String release is
located on the front
right bottom of the
centrifuge).
Close lid again.
Service is needed.
Make sure to remove
red cap & discard prior
to placing
concentrating device
into the centrifuge.
Close lid, restart.
Stop centrifuge &
ensure it is loaded
evenly.
Check power plug.
Wait for the rotor to
come to a stop. Repeat
run.
Repeat run.
Error in drive or speed
measurement.
Repeat run.
Repeat run.
Make sure that the air
circulation through the
cooling slots is not
impaired.
Solution 2
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Turn off front
display by pressing
power button on the
front.
Turn off machine
by pressing power
button in the back.
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Solution 3
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Wait for the rotor to
come to a stop and
unplug the power
cord and leave it off
upto 5 minutes).
Plug in the power
cord and turn on the
power button.
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