I am having a problem with my window washer. I press the button and pull the paddle but nothing comes out the front or back. The rear stopped working 3 days ago just when it started getting cold. Now the front wont work either. I have used screen wash as it does help the water to stop freezing- as I thought the water had frozen- but now I get nothing. I have tried hot water in the bottle to flush through and unblock any frozen bits. Still nothing.
I can hear the motor/pump working when I press the button and pull the paddle.

Is there anything I can do myself to get this working?