Thermo Scientific Sorvall RC6 Plus Instruction Manual page 63

Corrective Actions
In response to the displayed alarm message, take the appropriate actions as described below to identify
the cause of the problem, then press the CE key to clear the alarm.
If after performing the corrective actions, the problem still persists, contact Thermo Fisher Scientific or
your local representative of Thermo Fisher Scientific products to ask for repair.
Alarm
message
POWER
ROTOR
ROTOR No.
TEMP
DOOR OPEN
SPEED
IMBALANCE
E10 to E95
Thermo Scientific
Cause
A power failure occurred while the rotor was
spinning and the speed decreased more than
or equal to 300 rpm from the set speed.
If the rotor is rotating at 250 rpm or more when
the power is restored, the centrifuge will
accelerate again or decelerate if the speed is
less than 250 rpm.
Rotor is not properly secured to the drive
spindle.
The selected rotor does not correspond to the
installed rotor.
TEMP display shows a temperature over 50
degrees centigrade or a temperature lower or
higher than the set temperature more than 20
degrees centigrade.
START key is pressed with the door opened, or
the door handle is released while the rotor is
rotating.
Rotor speed is set higher than the maximum
allowable speed.
Rotor is not properly balanced.
Rotor locking knob is not properly tightened.
Rotor cover is not properly secured with the
screw.
The centrifuge has a problem requiring
maintenance by Thermo Service.
6
Corrective action
Check the run time if the rotor has stopped and
restart operation if necessary.
Make sure the rotor is secured to the drive
spindle.
Confirm the chosen rotor number matches the
installed rotor.
Lower the room temperature if it is over 35
degrees centigrade. Clean the condenser fins.
Close the door and start operation.
If the door handle is released, lock it again
immediately to clear the alarm and reaccelerate
the rotor.
Set the speed within the permitted limits.
Check if the sample tubes exceed allowable
imbalance level.
Tighten the rotor locking knob properly and start
operation.
Secure the rotor cover properly.
Contact Thermo Fisher Scientific or your local
representative of Thermo Fisher Scientific
products.
Sorvall RC6 Plus
TROUBLESHOOTING
Alarm Messages
6-3