woodpecker question

[Will and Joan Wolfe]

Haven't had this question in a long time, and can't remember the answer, if any.
A friend has a Hairy Woodpecker driving him mad as it incessantly drums on his house's siding.  When we questioned whether there could be insects in the wood that it was going after, he said that the siding is only two days old.    Could the insects underneath have been aroused?  I also know that woodpeckers "just do this" (as a flicker did on an exhaust pipe on our roof.  It finally just quit.). 

Aside from finding out whether he has an insect problem (and then how do you handle it?)  -- Do any of you have  any solutions to a woodpecker's  nuisance-drumming?

Thanks for any ideas,   Joan  Wolfe  
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