When the player is grounded plays the falling and landing animation in an eternal loop - unity3d

Question

Capsule Collider height: 2; Capsule Collider radius: 0.5 While the
player is rgounded the Grounded the Falling and Grounded parameters
turn on and off continuously. This is the project (unity package)
Conditions: From Movements to Jump, Jump parameter has to be
triggered. From Jump to Falling, Falling parameter has to be true.
From Falling to Landing, Grounded parameter has to be true. From
Movements to Falling, Falling parameter has to be true.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Game.Manager;
public class PlayerController : MonoBehaviour
{
InputManager inputManager;
Animator animator;
Rigidbody playerRb;
CapsuleCollider collider;
bool hasAnimator;
bool grounded;
[SerializeField] float jumpFactor = 250f;
float Dis2Ground;
[SerializeField] LayerMask GroundCheck;
[SerializeField] float airResistance = 0.8f;
void Start()
{
collider = GetComponent<CapsuleCollider>();
Dis2Ground = collider.bounds.extents.y;
inputManager = GetComponent<InputManager>();
playerRb = GetComponent<Rigidbody>();
hasAnimator = TryGetComponent<Animator>(out animator);
fallingHash = Animator.StringToHash("Falling");
jumpHash = Animator.StringToHash("Jump");
groundHash = Animator.StringToHash("Grounded");
}
private void FixedUpdate()
{
HandleJump();
SampleGround();
}
private void HandleJump()
{
if (!hasAnimator) return;
if (!inputManager.Jump) return;
animator.SetTrigger(jumpHash);
}
public void JumpAddForce()
{
playerRb.AddForce(Vector3.up * jumpFactor, ForceMode.Impulse);
playerRb.AddForce(-playerRb.velocity.y * Vector3.up, ForceMode.VelocityChange);
animator.ResetTrigger(jumpHash);
}
private void SampleGround()
{
if (!hasAnimator) return;
RaycastHit hitInfo;
if(Physics.Raycast(transform.position, Vector3.down, out hitInfo, Dis2Ground + 0.1f))
{
grounded = true;
SetAnimationGrounding();
return;
}
Debug.Log(grounded);
animator.SetFloat(zVelHash, playerRb.velocity.y);
grounded = false;
SetAnimationGrounding();
return;
}
private void SetAnimationGrounding()
{
animator.SetBool(fallingHash, !grounded);
animator.SetBool(groundHash, grounded);
}
}