Troubleshooting My Philips nose trimmer does not work If your Philips nose trimmer does not start, chances are that you can solve the issue yourself. Please try the following to determine what the problem might be. The cutting unit is blocked Remove the cutting unit by turning it Switch the nose trimmer on and off Place the cutting element back To prevent the nose trimmer from being blocked, make sure to rinse it after each use. The cutting element is blocked by dirt Soak the cutting element in a bowl of warm water and some soap for about 2 minutes. Make sure to rinse the trimmer after each use to prevent it from blocking. The battery is empty Replace the battery with a new one. The battery is placed incorrectly Make sure that the + and - poles of the battery point in the right direction.