Thermo Scientific Sorvall Legend Micro 21R, Instruction Manual

Page: 69 / 94

69 / 94
Troubleshooting
Error Description Solutions
The centrifuge
lid cannot be
opened. Pressing
OPEN
has no
effect.
Centrifuge lid is not correctly engaged or warped.
• Check if mains connection is working and the instrument is
switched on (display is lit).
• If this is unsuccessful, you may open the centrifuge lid
using the mechanical emergency lid release ( "Mechanical
Emergency Lid Release" on page 67 )
Exceptionally running
noise. Imbalance
• Stop the centrifuge. Press
STOP or unplug mains power cord.
• Wait until the centrifuge comes to a complete stop.
• Check whether the rotor is properly loaded.
• Check whether a broken tube, damage to the rotor or motor is
responsible for the run noise.
If the error message still shows, contact a service technician.
Display
oP
appears
although lid is
closed.
Centrifuge does not
start. Centrifuge lid not properly closed. Open the centrifuge lid and
repeat locking procedure.
If the error message still shows, contact a service technician.
Lid Rotor stops with
deceleration to standstill. Centrifuge lid was opened manually during the run. Close
centrifuge lid immediately
Rotor stops with deceleration to standstill.
For further centrifugation, you have to switch the instrument off
and switch it on again.
E-01 - E-13 Rotor stops with
deceleration to standstill.
The centrifuge cannot
be operated. Internal program error Switch the instrument off and on again.
If the error message still shows, contact a service technician.
E-14 Rotor stops with
deceleration to standstill.
The centrifuge cannot
be operated. Overtemperature in the centrifuge chamber.
Switch the centrifuge off and turn it on again after approx. one
minute.
If the error message still shows, contact a service technician.
E-15-E-16 Rotor stops with
deceleration to standstill.
The centrifuge cannot
be operated. Temperature measurement error.
Switch the instrument off and on again.
If the error message still shows, contact a service technician.
E-22 - E-23 Rotor stops with
deceleration to standstill.
The centrifuge cannot
be operated. Error in speed entry.
Switch the instrument off and on again.
The display shows
BR and a countdown from 100 - 0 .
If the error message still shows, contact a service technician.