Many possible answers to this one but a good starting point would be either the belt is loose or you need to add Power Steering fluid to the unit itself.It could also have a bad bearing in it.
Power steering fluid maybe low check your power steering pump.
Failure in the power steering system...
Alternator Belt has snapped, causing you alternator to stop charging causing you battery light to come on, but this belt also runs your power steering pump which if that's not working your steering will become heavy
It means "electromechanical power steering." They put a little electric motor in the steering system that comes on when steering assist is needed, turns off when you don't need assist, and requires no power steering fluid. If the EPS light on your dash is on, it means this system isn't working.
The dashboard light which looks like a steering wheel with an exclamation point beside it is the power steering light. If this light comes on, it either means the vehicle's power steering fluid levels are low or that there is a fault in the engine management system. When the light turns on, the fluid levels need to be checked first, and topped off if they are low. If the light remains on and the fluid is full, or should come on again when the driver returns to the road, then the vehicle should be inspected by a mechanic.
It may mean your power steering fluid is low, or needs serviced.
Power steering fluid is low, or sensor fault
This means you have a fault with your power steering. You should contact the garage as the power steering may fail.
The red steering wheel light on a Fiat Punto typically indicates a problem with the power steering system. It may suggest that the power steering has failed or that there is an issue with the steering column. If this light appears, it's important to stop the vehicle safely and consult the owner's manual or a mechanic, as driving without functional power steering can be dangerous.
Electronic Power Steering (eps)
The PS light on the dashboard typically indicates a problem with the power steering system in your vehicle. It may signify low power steering fluid, a malfunctioning power steering pump, or an issue with the steering assist system. If the light remains on or is accompanied by difficulty steering, it's advisable to have the system checked by a professional mechanic. Ignoring the warning can lead to further damage or loss of steering control.
your power stearing fluid is low or the power steering system is bad.