LABEC Z-L-450 - Manual (Page 13)

with knife or screwdriver. And there is a rope behind the plastic plug, once you pull the rope, the door cover
can be open, and then you can remove the centrifugal samples out from the machine.
6.1.4 You must put the rope back in the machine and put the plastic plug back to original position after you
open the door cover.
6.2 Information of trouble alarm
The table shows the alarm information of the machine and the reason as well as the way to solve; you can
rule it out according to the table. IF users still can't solve the problem or the alarm information is not included,
please contact maintainer from our company immediately.
Please turn off the electricity first when there is any problem.
And start it until the problem is solved.
Table 3: Data of trouble alarm
Symbols
Information of abnormal
phenomenon
Troubleshooting
E2
Over speed. It stops to
work because of detection
of over speed of rotor
● Problem of microcomputer control system,
please contact us.
● Problem of speed sensor. Please contact
us.
E3 Door cover protecting
● Re-close the door cover
● Please contact us if the door cover is
broken
E5 parameter setting is wrong
● Please re-set according to content of
parameter setting
E7 Fault of driving ● contact our company please
E8 Parameter setting error
●Follow the parameter settings to re-set in
part