Sticking GO button on new Ion XE.. any advice?

Our new Ion XE is apparently double firing cues with the GO button .. the SM and board op report that it "sticks"... 

can I pull the key off and clean it out .. are there setting that will alter the response sensitivity of the GO button... I have to send it back in after the show anyway ... but I need to get through the next 10 days with out double firing...

 

any advice out there?

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