headlamp adjustment motor

Hi everyone, this is my first post. I hope there's someone who can help. I changed the headlamp on my corsa today and i noticed a "whirring" noise coming from the headlamps. I've worked out that it may be the headlamp adjustment motor that is constantly running even though i'm not trying to adjust the headlights.

Its only whirring when the headlights are on and I was wondering if its gonna cause a major problem and I need to get it sorted? I'll never have to adjust the headlamps really so shall I just leave it?

Cheers in advance

Did the ball joint for the motor click in properly when you changed it over? If thats ok then most likely just a faulty motor mate keep trying to readjust itself, hope this helps.

John