(b)(4).The complaint was confirmed, but the root cause is unknown.Upon receipt the rechargeable led cartridge was visually examined for any signs of damage, misuse/abuse and no issues were noted.An attempt was made to charge the cartridge with the charging unit that is shipped in the kit with the handle and led cartridge.The red glowing charging light would blink indicating an internal charging mode failure.The cartridge was destructively inspected and a red wire was found to had either never been connected, or at some point during the normal operation time frame became disconnected from the led driving module.The complaint has been confirmed however the root cause cannot be established with the current complaint information available.No further action required.
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