Shower flow drain problem

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[FONT=&quot]I have a Beneteau Oceanis 40 year 2009. I have problem with the automatic drain in one of my head. Look like is the control box (Scheiber ref. 36.16112.00). That box control the shower pump Whale model Gulper 220.[/FONT]
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[FONT=&quot]In manual mode the pump work perfectly but in automatic doesn't work. [/FONT]
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[FONT=&quot]Where I can by a similar Control box or one that replace this Scheiber???? Any recommendation to do in order to solve the problem[/FONT]