Troubleshooting My Philips nose trimmer does not work If your Philips nose trimmer is not working, chances are you can solve the issue yourself. Read on to find out how. The trimming element is blocked by dirt Soak the cutting element of the nose trimmer in a bowl of warm water and a little soap for about 2 minutes. To prevent the trimmer from being blocked, rinse it after each use. The battery is empty Replace the battery with a new one. The battery was inserted incorrectly Check that the battery was inserted correctly, making sure that the + and - poles face the right direction.