My 24V-1500FL-LTE won't turn on. Why? The 24V-1500FL-LTE has a safety feature that prevents it from turning on if the battery is not inserted correctly. Make sure the battery is properly inserted and try again. Related articles What is the fastest way to charge my 24V iONMAX battery? What are the different light modes and their applications for my 24V-1500FL-LTE unit? How loud is the Sun Joe 24V iONMAX Jet Blower? What could be causing my 24V-X2-BVM190 unit not turning on, despite having a fully charged battery? Why won't my 24V-AGR100 unit turn on, even though the battery is charged?