If a hydraulic implement is not moving (or barely moving) check the quick connects on the hydraulic lines. If they are not connected properly, the fluid cannot flow in that circuit to operate the implement.
Here is the explanation of the code: 72 = the ISO standard C or N = Coupler or Nipple 4 = ¼ in size 4F = ¼ in Female hose connect NPT = National Pipe Tapered thread. You must apply thread sealant to male part only during installation.