12
10. Troubleshooting
10.1 Possible problems and solutions
This centrifuge has a self-diagnostic function. If a problem occurs, an error/warning code will be displayed
on the time display screen, and the operator can determine the malfunction with the alarm code below.
Symptom Causes
Solutions
Nothing appears on the screen when
the POWER is turned on.
·
Building power circuit breaker
trips.
·
Remove the trouble and turn
on the POWER.
Abnormal vibration
·
Rotor do not match with
spindle
·
Samples are imbalance
·
Install again the rotor
·
Weighting scales, install
symmetrically
Alarm code a
ppe
ared
on t
he tim
e
disp
la
y scree
n
E-02
Door fault
·
The door opened in running.
·
The
button is pressed
while the door opening.
·
Close the door immediately.
·
Close the door
，
and then start
to operate.
E-06
Set wrong speed
·
The setting speed exceed the
allowable range.
·
Modify the speed value.
E-10
～
86
·
Read the service manual
·
Contact with service center
Table 10-1 Possible problems and solutions
z
Alarm codes E-1
～
E-9 are related to incorrect operation/programming. You can continue running the
centrifuge after implementing corrective procedures.
10.2 How to open the door
10.2.1
In the case of
power on
（
1
）
Turn on the power switch, release the door automatically.
（
2
）
The door will be released automatically once the operation is finished.
（
3
）
It is available to release the door by press
button once the rotor stops.
CAUTION
z
The door just can be opened while the power is on and rotor stops rotating.
