6
Troubleshooting
Troubleshooting by User
6-4
Fresco 17 / 21
Thermo Scientific
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 an error message appears again, inform Customer Service.
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 an error message appears again, inform Customer Service.
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 an error message appears again, inform Customer Service.
E-24
The centrifuge cannot be operated.
Wrong status information from the door latch
1. Switch the instrument off and on again.
2. After re-switching on, the display shows
Lid FAiL
.
3. If the centrifuge door has been already opened, the display
shows
CLOSE Lid
. Thereupon close the door.
4. The centrifuge tries to open the lid to switch for starting the
normal operation mode.
If an error message appears again, inform Customer Service.
E-29
Motor does not start
Motor or rotor blocked
1. Switch instrument off and on again using the mains switch.
2. Open the centrifuge door.
3. Check whether the rotor can turn freely.
If an error message appears again, inform Customer Service.
E-31
Rotor stops without deceleration to
standstill or does not start.
Overtemperature in the motor
1. Turn instrument off and unplug mains power cord.
2. Check and clean the venting slots if necessary and
respectively the filter unit of the cooled centrifuge.
3. After approx. 60 minutes you can restart the instrument.
Observe the maximum permissible environmental temperature.
If an error message appears again, inform Customer Service.
E-33
Rotor stops with deceleration to standstill.
Overpressure in the refrigeration system
1. Turn instrument off and unplug mains power cord.
2. Check and clean the venting slots if necessary and
respectively the filter unit of the cooled centrifuge.
3. After approx. 60 minutes you can restart the instrument.
Observe the maximum permissible environmental temperature.
If an error message appears again, inform Customer Service.
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 an error message appears again, inform Customer Service.
Failure message
Problem with centrifuge
Possible causes and cures
Summary of Contents for 75002402
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