LABEC Z-L-530 - Manual (Page 16)

6. Troubleshooting
6.1 Open the cover in case of emergencies
In the process of normal usage, sometimes there's accidental power failure or fail to open the door, you
can't open the door but you have to remove the samples, in this case, you can open the door cover manually,
and remove the sample. Note: This way can be only used for emergencies. Don’t use it as you like.
When there is power failure, it will take long time to let the rotor stop totally
because rotor hasn't break function when it stops to run. Please wait patiently.
Steps to open the door for emergencies:
6.1.1 Make sure that the rotor stops completely (You can observe that from observe hole of top of door
cover )
6.1.2 Cut off the electricity.
6.1.3 There is a plastic plug under the bottom plate of the foreside of the machine, you can pull out the plug
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
E1
Imbalance.
Centrifuge stops to work
because of detection of
over-vibration
● re-weight error allowed≤1.5g
● The device is placed acclivitous and the
stress is unequal, please adjust the
device to make the stress equal.
● If the spindle motor is bent, please
contact us to replace new one.
E2
Overspeed.
It stops to work because
of detection of
overspeed 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 Fault of communications ● contact our company please