Step 2: Select the issue you are having with your Pro Gen II. Watch troubleshooting videos and try troubleshooting tips. Light Won't Turn On Pulse Not Working Changing High/Low Setting Light Getting Hot Light Won't Turn On Step 1: Checking the Battery Step 2: Tighten Lens Cap Step 3: Did any of these troubleshooting tips help? Pulse Not Working Step 1: Pulse Not Working Step 2: Did this troubleshooting tip help? Changing High/Low Setting Step 1: Changing High/Low Setting When you turn your light on does is go to the high setting on first click? Watch the video below to see how to switch your light to turn on to the Low on first click. Note: You should use the Pro Gen II Low setting for all acupoint work and for most light work. See Pro Gen II Foundations Course for more information. Step 4: Did this troubleshooting tip help? Light Getting Hot Is your light getting "hot" while you are using it? Watch the video below where Bryan explains the Pro Gen II and why it gets warm. Step 4: Did this troubleshooting tip help?