There is sound of motor spinning when lifting button is pressed, and the sound remains after lifting button is released

• Check method:

  1. Check whether there is oil in the hydraulic pump station (check the oil fling hole）;

  2. If the above problems are eliminated, the check valve is damaged and the hydraulic pump station needs to be replaced;

  
  

  The necessary information for applying the claim:

  1. Truck name plate photo;

  2. Video of detailed fault phenomenon.