High Speed (Refrigerated) Micro-Centrifuge
20
make it contact enough with the slot bottom and bond firmly.
（
3
）
Place for 20 minutes and waiting for the glue to completely solidified.
9.4 Routine inspection
1
）
Check that if the centrifuge is on a firm
、
flat and level table, ensure the four feet stand on the table
firmly.
2
）
Check if the centrifuge grounded properly: Use multimeter to check if is short circuit between the power
cord grounding pin and the motor shaft. If yes, indicating grounded properly; if is open circuit, need to
check failure reason first and make troubleshooting before use.
10. Troubleshooting
10.1 Frequent problems list
This centrifuge has designed self-diagnosing function. When something wrong and it is not available to
operate, the alarm code will be displayed on the time display screen, and the operator can know the
malfunction caused by the alarm code
.
WARNING
：
Do not open the door when the rotor is rotating during maintenance.
Symptom Causes Solutions
Nothing appears on the screen
when the POWER is turned on.
·Building power circuit breaker
trips.
·the fuse was blown out.
·Remove the trouble and turn on the
POWER.
·Replace the fuse.
Alarm code a
ppe
ared
on t
he tim
e displ
ay
screen
E-02
Door fault
·The door opened in running.
·Press the button
while
the door opening.
·Close the door immediately.
·Close the door
，
and then start to
operate.
E-04
Temperature fault
·The air inlets are blocked.
·Radiator fan is damaged.
·Clean air inlets.
·Replace radiator fan.
E-06
Set wrong parameter
·The setting parameter exceed the
allowable range.
·Modify the parameter value.
E-10
～
86
·Read the maintenance manual.
·Contact with service center.
