Simulink model generate different results with tha same parameters

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I built a Simulink induction motor with ITSC fault model and tried to simulate it. I configured the necessary parameters in Model Properties——Callbacks——InitFcn. With the same parameters, I get the different simulation results first time and second time, but after the first time, the results are the same. I'm confused, why is that? I'm pretty sure there're no random functions in my model. Below are configurations of parameters and simulation results. You can tell that the transient process of the first time is shorter than the second time, and in steady state, the amplitude of ia, the yellow sine wave, is larger than other two.
Parameter configuration
first time result
Second time result

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