Controlled Pump Component - Initialization error - Modelica - modelica

Question

I have a hydraulic system on Modelica. When I add Controlled Pump into the system, i get initialization errors.
Error occured when entering initialization mode on Hochdruckreiniger4_1
Initialize
Error encountered in the Initialize function of user model
Could you help me to solve this problem? I add below images of the settings of the model so that you can understand better the settings. I give required initialization values. But I get still errors relating to initialization. Thanks in advance for yor helps!
model Hochdruckreiniger4
//Declaration(s)
Real V_max = 0.000003;
Real V_tod = 0.000002;
Real N = 2800;
replaceable package medium = Modelica.Media.Water.StandardWater( );
//Component(s)
Modelica.Fluid.Sources.FixedBoundary boundary1 (p = 500e5, redeclare package Medium = Modelica.Media.Water.StandardWater, nPorts = 1);
Modelica.Fluid.Valves.ValveLinear HDVentile (dp_nominal = 95, m_flow_nominal = 0.05867441, redeclare package Medium = medium);
Modelica.Fluid.Valves.ValveLinear NDVentile (dp_nominal = 94.35, m_flow_nominal = 0.05867441, redeclare package Medium = medium);
Modelica.Blocks.Sources.Pulse Puls2 (period = 0.02142, startTime = 0.01071, width = 45.331);
Modelica.Blocks.Sources.Pulse Puls1 (period = 0.02142, width = 45.331);
Modelica.Fluid.Pipes.DynamicPipe pipe5 (
length = 0.5,
diameter = 0.3,
redeclare package Medium = Modelica.Media.Water.StandardWater,
momentumDynamics = system.momentumDynamics,
massDynamics = Modelica.Fluid.Types.Dynamics.DynamicFreeInitial,
energyDynamics = system.energyDynamics,
allowFlowReversal = system.allowFlowReversal,
modelStructure = Modelica.Fluid.Types.ModelStructure.av_b);
Modelica.Fluid.Pipes.DynamicPipe pipe4 (
length = 0.5,
diameter = 0.03,
redeclare package Medium = Modelica.Media.Water.StandardWater,
momentumDynamics = system.momentumDynamics,
massDynamics = Modelica.Fluid.Types.Dynamics.DynamicFreeInitial,
energyDynamics = system.energyDynamics,
allowFlowReversal = system.allowFlowReversal,
modelStructure = Modelica.Fluid.Types.ModelStructure.a_vb);
Modelica.Fluid.Pipes.DynamicPipe pipe3 (
length = 0.5,
diameter = 0.03,
redeclare package Medium = Modelica.Media.Water.StandardWater,
momentumDynamics = system.momentumDynamics,
massDynamics = Modelica.Fluid.Types.Dynamics.DynamicFreeInitial,
energyDynamics = system.energyDynamics,
allowFlowReversal = system.allowFlowReversal,
modelStructure = Modelica.Fluid.Types.ModelStructure.a_vb);
Modelica.Fluid.Pipes.DynamicPipe pipe2 (
length = 0.5,
diameter = 0.03,
redeclare package Medium = Modelica.Media.Water.StandardWater,
momentumDynamics = system.momentumDynamics,
massDynamics = Modelica.Fluid.Types.Dynamics.DynamicFreeInitial,
energyDynamics = system.energyDynamics,
allowFlowReversal = system.allowFlowReversal,
modelStructure = Modelica.Fluid.Types.ModelStructure.av_b);
Modelica.Fluid.Sources.FixedBoundary boundary (p = 4e5, redeclare package Medium = Modelica.Media.Water.StandardWater, nPorts = 1);
inner Modelica.Fluid.System system;
Modelica.Fluid.Machines.ControlledPump pump1 (
p_a_nominal = 4e5,
m_flow_nominal = 0.05,
control_m_flow = false,
rho_nominal = 990,
redeclare package Medium = medium,
N_nominal = 2800,
p_set = 550e5,
use_p_set = true,
p_a_start = 4e5,
p_b_start = 550e5,
m_flow_start = 0.05,
T_start = 293,
use_T_start = true,
allowFlowReversal = false,
energyDynamics = Modelica.Fluid.Types.Dynamics.DynamicFreeInitial,
V = 0,
massDynamics = Modelica.Fluid.Types.Dynamics.DynamicFreeInitial,
s(start = 1e-2),
N(start = 2800),
V_flow_single(start = 1));
equation
//Connection(s)
connect(boundary1.ports[1], pipe4.port_b);
connect(HDVentile.opening, Puls2.y);
connect(HDVentile.port_b, pipe4.port_a);
connect(HDVentile.port_a, pipe3.port_b);
connect(NDVentile.opening, Puls1.y);
connect(NDVentile.port_b, pipe2.port_a);
connect(NDVentile.port_a, pipe5.port_b);
connect(pipe5.port_a, boundary.ports[1]);
connect(pipe2.port_b, pump1.port_a);
connect(pump1.port_b, pipe3.port_a);
end Hochdruckreiniger4;