start != start

[Tukaram]

Dear Sirs,

I have this simple model:

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class Building
  parameter Real  offer=1000;
  Real   storage(start=0);
equation
  when sample(1,1) then
      storage=pre(storage)+offer;
  end when;
end  Building;

--------------

It will be simulated with the following commands:

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simulate( Building, startTime=0, stopTime=8 );
plot({storage})

-------------

The Plot shows me plus 1000 on the storage per second (fine) but the
storage starts with a value of 1000 (not fine). I would expect a start
value 0.

What is going wrong? Has someone with more Modelica experience a hint for
me? :-)

Kindly Regards