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Reconnect the centrifuge once the power has been restored. Switch on the centrifuge. Press the OPEN
key to have the door locks operative again.
Circuit Breakers
The centrifuge has circuit breakers. In the event of a failure inform Customer Service.
Failure message
Failure message
Problem with centrifuge
NO ROTOR DETECTED
The centrifuge cannot be operated.
The run does not start or the centrifuge runs
down without being braked.
ROTOR IMBALENCE -
The centrifuge cannot be operated.
BALANCE ROTOR
The run does not start or the centrifuge runs
down without being braked.
CRITICAL OVERTEMP
The centrifuge cannot be operated.
The run does not start or the centrifuge runs
down without being braked.
The run will not terminate
SAMPLE
The RUN DISPAY temperature went above
TEMPERATURE OVER
the maximum allowable (overtemperature
LIMIT
limit) setting.
The centrifuge cannot be operated.
AIR TEMP MEASURE
The centrifuge cannot be operated.
ERROR
Thermo Scientific
If problems occur other than those listed in this table, the authorized customer service
representative must be contacted.
Possible causes and cures
The rotor could not be identified.
Check to see if the rotor is properly installed.
Restart the centrifuge.
If an error message appears again, inform Customer Service.
Imbalance detected.
Check the load placed in the rotor.
Check that the rotor cross bolts are well greased.
Restart the centrifuge.
If an error message appears again, inform Customer Service.
Turn off the centrifuge.
Pull out the power supply plug.
Inform Customer Service.
• The set temperature is to low for the selected speed.
• The selected maximum temperature is in the
overtemperature limit.
• The permissible ambient temperature at the air inlet is >35
°C.
• The air inlet is blocked, the clearence is to small <30 cm.
Check the aspects mentioned above. If an error message
appears again, inform Customer Service.
The cooling circuit is open.
The temperature is >45 °C.
Wait for the rotor to cool down in order to prevent burn.
Turn off the centrifuge.
Pull out the power supply plug.
Inform Customer Service.
7
Troubleshooting
Circuit Breakers
RC B
7-3
IOS
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