Biobase LC-4KC, User Manual, Page: 6 / 71

5
9.GUARANTEE
Six month.
10. COMMON TROUBLE
＆
RESOLUTION
No. Common trouble Reason Solution
1
Connect the power,
but the indicator
and nixie tube don’t
light
No 220V power Check the power
Blown fuse Replace
Power switch
doesn’t turn on
Turn on power
switch
2 Set speed with
actual speed
are different
Voltage is on the
high side or low
side
Contact with
electric
department
3 Door locker can not
lock during run.
Door lock Check and
Replace
4 There is noise after
starting on the
machine
Tube with
liquid not
equaling sample
or rotor nut
loosen
Make the tube
with equaling
sample,
tighten the nut
5
Machine didn’t
work according to
adjusted value
Forget to press
Ok key to
confirm
Reset value you
needed and
press Ok key to
confirm
6 Time/Trouble
window show
E3 Door switch
damaged or not
closed well
Press cover or
replace
E4 Cover is open
during running.
Closed the
cover ,and start
up again
E5 Locked
driven
damaged
rotor,
plate
Replace motor
or driven plate.