Thermo Scientific RC 6 Plus Operation Instructions Manual page 69

Alarm
message
DOOR OPEN
SPEED
IMBALANCE
E10 to E95
User Corrected Problems
Thermo Fisher Scientific
Table 6-2.
Corrective Actions
Cause
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
tightened.
Rotor cover is not properly secured with
the screw.
The centrifuge has a problem requiring
maintenance by Thermo Service.
If any of the alarm messages E10 to E95 lights up, it is indicating that the
centrifuge as a problem and requires maintenance by a Thermo Service
Representative. When you call the service personnel, inform them of the
displayed alarm code.
Note
The E13 alarm code indicates that the speed sensor is malfunctioning.
When this alarm code appears, the centrifuge will not accept the CE key
input for 60 minutes until the rotor stops completely for safety. Wait
without turning off the power to the centrifuge. After 60 minutes or more,
press the CE key.
Some problems are not identified and reported by the self-diagnostic capability
of the centrifuge.
To correct these problems, take the actions described in the table below.
Table 6-3.
User Corrected Problems
Symptom
Centrifuge does not
accept entries of run
conditions.
Rotor does not start
accelerating when START
key is pressed.
Corrective action
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.
not properly 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.
Cause Corrective
ENTER key is not pressed
after entering the numeric
values.
The beeper sounds three
short beeps when the
START key is pressed
because invalid run
conditions are entered.
TROUBLESHOOTING
Action
Press the ENTER key after
entering run conditions.
Verify the run conditions.
RC-6 PLUS 6-3