I'm sorry to hear this, please check out the following article:
http://support-us.samsung.com/cyber/popup/iframe/pop_troubleshooting_fr.jsp?idx=529379&modelname=HW-F450&modelcode=HW-F450/ZA
Let me know if this helps!
Regards,
HD Tech
the sub-woofer wont connect via bluetooth to the other speakers, the blue tooth light is flashing blue on sub then turns off going red

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