What are the causes of a drive overload which is connected to a motor that runs a screw by gearbox ? | Schneider Electric Egypt and North East Africa

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What are the causes of a drive overload which is connected to a motor that runs a screw by gearbox ?

The problem of over loading observed may be due to any of below reasons:

If it is a screw extruder, there may be extrusion material struck in the screw, which can cause over loading, if so the same to be cleaned before re-starting the screw extruder.
There is a possibility of jamming or damage of gears or bearing jamming in gear box, which can also cause over loading.
If it is a new drive under installation and you are facing problem, it may be due to inadequate drive rating selection.