When should the blue LEDs light up? What if they don't? Is there a "troubleshooting guide"? What is the expected lifespan?

Frank, thank you for your question, We would love to have the opportunity to work with you directly and help walk you through the troubleshooting steps for this product, so you can enjoy our products to their full potential. At your earliest convenience, please give us a call at 1-800-654-8483.