VWR MICRO STAR 17 Instruction Manual page 48

Failure message Problem with centrifuge
E-33 Rotor stops with deceleration
to standstill.
E-36 Rotor stops with deceleration
to standstill. The centrifuge
cannot be operated.
E-39 Rotor stops with deceleration
to standstill. The centrifuge
cannot be operated.
E-41 - E-56 Rotor stops with deceleration
to standstill. The centrifuge
cannot be operated.
E-60 Rotor stops with deceleration
to standstill.
E-63 Rotor stops with deceleration
to standstill. The centrifuge
cannot be operated.
E-64 The cooling system could not
be started.
E-65 Rotor stops with deceleration
to standstill. The centrifuge
cannot be operated.
Possible causes and cures
Overpressure in the refrigeration unit
1. Wait 15 minutes before switching off the centrifuge.
The fan will operate at maximum power in order to reduce
the overpressure.
2. Check the draft at the back of the centrifuge with you hand
if you cannot here the fan.
If you do not feel any draft:
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. 30 minutes you can restart the instrument.
Observe the maximum permissible environmental
temperature.
If an error message appears again, inform Customer Service.
Over-current or over-voltage, the brake resistance the hot.
After approx. 60 minutes you can restart the instrument.
Switch the instrument off and on again.
If an error message appears again, inform Customer Service.
Error in speed entry
Switch the instrument off and on again.
If an error message appears again, inform Customer Service.
Internal program error
Switch the instrument off and on again.
If an error message appears again, inform Customer Service.
Under-temperature in the centrifuge chamber.
1. Stop the centrifugation run.
2. Open the centrifuge door and defrost the chamber.
Never touch the chamber directly with your hands – you
mayfreeze up.
3. After approx. 60 minutes you can restart the instrument.
Observe the maximum permissible ambient temperature.
4. If a strong ice sheet is present in the internal chamber,
besure to remove all condensate after defrosting.
If an error message appears again, inform Customer Service.
Temperature measurement error
Switch the instrument off and on again.
If an error message appears again, inform Customer Service.
Power supply undervoltage
Check the power supply and contact you supplier if
necessary. The message LINE
Temperature measurement error
Switch the instrument off and on again.
If an error message appears again, inform Customer Service.
7
Troubleshooting
Troubleshooting by user
appears in the display.
VWR MICRO STAR 17 / 17R 7-5