An arrangement for providing a power reset to a device of an elevator system, and an elevator system. The arrangement includes a power reset unit having a power reset device arranged to interrupt and connect electric power to the device, and a wireless communication device arranged to control the power reset device for interrupting and connecting electric power, and configured to be wirelessly connected by a user device by using a wireless communication technology and to receive a power reset signal from the user device. The power reset unit is integrated into or arranged in contact with the device, or connected electrically between the device and the electric power supply line.