
65 / 89
Troubleshooting
Error
Description
Solutions
E-24
The centrifuge cannot
be operated.
Wrong status information from the lid latch.
• Switch the instrument off and on again.
• After re-switching on, the display shows
Lid FAiL
.
• If the centrifuge lid has been already opened, the display
shows
CLOSE Lid
. Close the lid.
• The centrifuge tries to open the lid to switch for starting the
normal operation mode.
If the error message still shows, contact a service technician.
E-29
Motor does not start
Motor or rotor blocked
• Switch instrument off and on again using the mains switch.
• Open the centrifuge lid.
• Check whether the rotor can turn freely.
If the error message still shows, contact a service technician.
E-31
Rotor stops without
deceleration to standstill
or does not start.
Overtemperature in the motor
• Turn instrument off and unplug mains power cord.
• Check and clean the venting slots if necessary and
respectively the filter unit of the cooled centrifuge.
• After approx. 60 minutes you can restart the instrument.
Observe the maximum permissible environmental temperature.
If the error message still shows, contact a service technician.
E-33
Rotor stops with
deceleration to standstill.
Overpressure in the refrigeration system
• Turn instrument off and unplug mains power cord.
• Check and clean the venting slots if necessary and
respectively the filter unit of the cooled centrifuge.
• After approx. 60 minutes you can restart the instrument.
Observe the maximum permissible environmental temperature.
If the error message still shows, contact a service technician.
E-36
Rotor stops with
deceleration to standstill.
The centrifuge cannot
be operated.
Overcurrent or error in current measurement
Switch the instrument off and on again.
If the error message still shows, contact a service technician.
E-41 - E-56
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.