English
User's Manual
of GNF001
Version 1, July 2023
- 27 -
able 4: Fault phenomenon, causes and troubleshooting
Fault
phenomenon
Causes and Troubleshooting
No display
1.check whether the power outlet and the connection is right; is the power supply on..
2.whether the switch is right.
3.Check the fuse.
4.If you can't solve it, please contact staff ofMagal..
Stop to work
suddenly
1.The speed extend 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 right.
Could’t open door
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 ofMagal..
Heavy vibration of
machine
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 tightly 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 ofMagal..
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 ofMagal..
Unusual display of
operating panel
1.Maybe it's because of the interference of power grid, please shut down and start it after 1 minute, and
then the display will be right.
The motor does’t
work after pressing
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.