LABEC Z-L-450 - Manual (Page 14)

Table 4: Fault phenomenon, causes and troubleshooting
Fault phenomenon Causes and Troubleshooting
No display
1. Check whether the power outlet and the connection is ok; is the power
supply on..
2. Whether the switch is ok.
3. If you can't solve it, please contact staff of our company.
Stop to work suddenly
1. The speed extends the maximum rated speed of the rotor.
2. Once the speed of the rotor extends rated speed of 250r/mi, the alarm of
over speed will work. Then, You should wait until the machine stops and
reset the speed.
3. The speed extends setting speed of the rotor.
4. If the motor is overheating, power supply will be cut inside the machine, and
then the machine will stop working.
5. If there isn't any display on the keyboard panel, please check the power
supply system of the machine.
6. Maybe the voltage is low; please check whether the voltage of the power
supply is ok.
Door can’t open
1. The door can't open until the rotor finishes stopping turning.
2. Check the assembly of the door lock.
3. Check the electrical wires of the door lock.
4. Open the door manually.
5. If you can't solve it, please contact staff of our company.
Vibration of machine is
a bit heavy
1. The following situation is normal: The speed of rotor is over the critical
speed and the machine vibrates.
2. Check whether the rotor is locked tightens or not.
3. Check the symmetry of the load of the rotor; check the working situation of
the machine.
4. Check whether the rotor is installed correctly.
5. Check the shaft: rotate it with hand and if it can't rotate smoothly, then
maybe there's problem with shaft or motor. If you can't solve it, please
contact staff of our company.
Indicator light of panel
LED isn’t up after
switch on.
1. Power supply is not connected, please check the power.
2. The fuse of PCB board and power outlet is broken; please ask professional
staff change the fuse.
3. If you can't solve it, please contact staff of our company.
Unusual display of
operating panel 1. Maybe it's because of the interference of power grid, please shut down and
starts it after 1 minute, and then the display will be ok.
The motor doesn’t work
after pressing start key
1. Electric control circuit is broken. Please change the electric control board.
Smell of burnt from the
machine
1. Cut off the power.
2. whether the motor is burnt
3.whether the electrical components are burnt
4. Rotate the driving shaft with hand, if it can't drive smoothly, please contact
professional staff of manufacturer to solve it.
Not the problems
above
1. Please contact the professional staff of manufacturer to solve.