Make sure you have it in the hammer drill mode. To check that it will hammer you can remove the chuck and just run the drill with the front pressed against a wood surface. It should vibrate pretty hard. If this works then you may have the wrong bits or chuck on the drill.
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Make sure you have it in the hammer drill mode. To check that it will hammer you can remove the chuck and just run the drill with the front pressed against a wood surface. It should vibrate pretty hard. If this works then you may have the wrong bits or chuck on the drill.