Thought so, the electronics in the charger engage the relay to complete the high voltage circuit between the car and the power input source.

They are used in many devices and over time can get a bit sticky and fail to move.

It's the one time hit it with a hammer (gently!) is correct!  2023 P440e SE Dynamic on order -cancelled

2022 HSE Dynamic P400e

2017 Discovery 3.0 HSE Silicon Silver Nimbus interior and a few extra toys SOLD

2013 HSE Black, Orkney Grey, Ebony Seats and Ivory Interior SOLD

2006 HSE

Plus a few other cars inbetween!