2015 Dacia Sandero no power steering

First thing to check would be the fuse , also check battery voltage and alternator charging rate

Dacia Sandero – fuse box diagram
Year of production:

Passenger compartment
Dacia Sandero - fuse box diagram - passenger compartment
Dacia Sandero – fuse box diagram – passenger compartment
№ Component
A Empty location
B Driver’s side window winder
C Empty spaces
D Empty spaces
E Empty spaces
F Empty spaces
G Empty spaces
H Empty spaces
I Empty spaces
J Empty spaces
1 Front electric window
2 Left-hand main beam headlight
3 Right-hand main beam headlight
4 Left-hand dipped beam headlight
5 Right-hand dipped beam headlight
6 Left-hand side lights
7 Right-hand side lights
8 Rear electric windows
9 Rear fog lights
10 Horn
11 Automatic door locking
12 ABS-ESC, brake switch
13 Interior lights, window winder, air conditioning, boot light
14 ESC
15 Reverse gear, windscreen wipe
16 Cruise control/Speed limiter, heated door mirrors, rear windscreen, unfastened seatbelt warning, parking distance
control, multimedia, heated windscreen
17 Daytime running lights
18 Brake lights
19 Injection
20 Airbag
21 LPG circuit shut-off or LPG circuit and petrol fuel circuit shut-off or sequential gearbox or automatic gearbox
22 Power-assisted steering
23 Location reserved for additional equipment
24 Direction indicator light
25 Passenger compartment ECU
26 Passenger compartment ECU
27 Steering column control
28 Location reserved for additional equipment
29 Steering column control
30 Empty location
31 Instrument panel
32 Radio
33 Cigar lighter
34 Diagnostics and radio socket
35 Defrosting rearview mirror
36 Electric door mirrors
37 Starter
38 Windscreen wiper
39 Passenger compartment ventilation
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Thanks for the quick response
I've checked fuse 5amp and it's ok, charge light not on and alternator belt is good, would you know where the power steering pump is ?

See if this video helps / applies to your year

https://www.youtube.com/watch?v=teroHF1jbEg