Can't change temperature on Logik 1612wm15 washing machine?

I've just moved into a place with one of these, and I've followed the instructions for changing temperature that I saw on youtube. When I press the temperature button to adjust water temperature, the temperature only moves down to 40 degrees temporarily, blinks, and then goes back up to 60, whereas on the... show more I've just moved into a place with one of these, and I've followed the instructions for changing temperature that I saw on youtube.

When I press the temperature button to adjust water temperature, the temperature only moves down to 40 degrees temporarily, blinks, and then goes back up to 60, whereas on the video it goes down to 40, doesn't blink, then stays there until you start the programme. I don't want to shrink my clothes! Help!
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