Hi. I purchased this helmet through Amazon. It worked well for 3 weeks, after which, whenever I switch on the helmet in the morning, it keeps getting switched off automatically after 30 seconds to 3 minutes. This happens 5 to 7 times, before it stays on. Is this a device / piece which I have issue, or is this problem inherent in all Streelbird SBA 8 helmets? Is there any reset switch in the helmet to reset it?