Troubleshooting My Philips Auto Curler makes beeping sounds If you hear a continuous beep from your Auto Curler, refer to the following tips to solve this issue. Release the button The beeping sound is a signal for your to release the curling button. This is to prevent your hair from overheating. Trapped hair You can also hear a short continuous beep if your hair is trapped in the curler. In this instance, the device will shut down automatically, but will make a beeping sound first to warn you.