sram sx5 shifter jammed

My month old SRAM SX5 shifter has jammed , wont pull or release any cable even when disconnected from rear mech. Taking it to the dealer to sort as its under warrenty but Is this a sign of things to come with this spec SRAM kit? it hasnt been subjected to abuse /endo'd so rather miffed its failed after limited use.
Norco Aurum 3 viewtopic.php?f=10017&t=12939531
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and what were you doing to cause it to jam? was it on or off the bike?
Parktools :?:SheldonBrown