6
Troubleshooting
Troubleshooting by User
6-4
Cryofuge 5500i
Thermo Scientific
Display
OPEN
appears although
door is closed.
Centrifuge will not start.
a.
Centrifuge door not properly closed. Open the centrifuge door
and repeat locking procedure.
b.
Over-temperature in the motor detected.
Pull out the power supply plug.
Control and clean the venting grid.
Wait some 20 minutes before starting the centrifuge again. If
an error message appears again, inform a service technician.
Message
Lid
appears in display.
The run does not start or the centrifuge runs
down without being braked.
Centrifuge door was opened manually during the run.
Close the door again. The centrifuge decelerates without braking.
Restart the centrifuge.
Message
Lift Lid
appears in display.
Door does not open automatically.
Door has not been lifted off the lock during opening.
1.
Avoid laying objects onto the centrifuge door.
2.
Lift the door slightly.
E-00
Motor does not start.
Motor or rotor are blocked.
Restart the centrifuge.
Open the centrifuge door.
Check whether the rotor can turn freely.
If an error message appears again, inform a service technician.
E-02
The run does not start or the centrifuge runs
down without being braked.
Internal program error in the memory
Restart the centrifuge.
If an error message appears again, inform a service technician.
E-03
The run does not start or the centrifuge runs
down without being braked.
Error in speed entry.
Restart the centrifuge.
If an error message appears again, inform a service technician.
E-04
The run does not start or the centrifuge runs
down without being braked.
Temperature measurement malfunction (sensor fracture).
Restart the centrifuge.
If an error message appears again, inform a service technician.
E-06
The run does not start or the centrifuge runs
down without being braked.
Communication error between key panel and CPU.
Restart the centrifuge.
If an error message appears again, inform a service technician.
E-07
The rotor is decelerated to a standstill. The
lid can be opened.
Overheating in chamber.
Display > 51 °C or measured temperature > 70 °C.
Clean the cooling fins in the back. (Cooling machine might be
defective.)
E-08
The run does not start or the centrifuge runs
down without being braked.
Over voltage at frequency converter. Mains voltage outside the
tolerance. Deceleration resistance defective.
Restart the centrifuge.
If an error message appears again, inform a service technician.
E-10
Self-test after switching on the centrifuge.
NV-RAM; error in program memory
Restart the centrifuge.
If an error message appears again, inform a service technician.
Failure message
Problem with centrifuge
Possible causes and cures
Содержание Heraeus Cryofuge 5500i
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