Biobase LC-4KC, User Manual, Page: 54 / 71

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9. Comment Malfunctions and Obviating Methods
There is a malfunction display window. When the machine breaks down, the buzzer would make a
buzzing sound and the cue words would be displayed on the window.
1. Overheat. 2. Over-speed. 3. The face-plate uncovers.
4. If the face-plate becomes open during the operation, the machine would enter the stall mode. The
malfunction obviation or operation work should be done after the rotating speed turns back to 0.
5. If the setting goes wrong, for example, when the setting rotating speed exceeds the maximum rated
speed of the rotors, the machine would automatically run with the maximum rated speed of the rotors.
6. If the operating temperature is too high and the cavity temperature is over 55 centigrade, the
machine cannot be operated. After its cooling, the machine goes back to work normally.
Besides the malfunctions mentioned above, please contact the technicians of the manufacturer
to obviate the malfunctions.
The obviating methods of the common malfunctions are as followed.
common malfunctions causes obviating methods
The monitor doesn’t work
after connecting with the
power supply.
There is no 220V
power supply.
Check the power
supply.
The fuse is melted. Change the fuse.
The machine can work but the
speed cannot be accelerated,
or the machine sounds or
smells strangely.
The control system
goes wrong.
Send the machine to
the manufacturer for
the maintenance.
The actual rotating speed is
inconsistent with the setting or
displaying rotating speed. The
machine runs unstably or even
out of control.
The control system
goes wrong.
Send the machine to
the manufacturer for
the maintenance.