I've only tried out the Fanuc 2000ic 210Fs and 165F arms but the axis 2/3 interlock is limiting axis 3 10-15 degrees too early. Attached is a screen capture of the robot maxed on axis 3 in robodk, and the same robot model in Fanuc RoboGuide showing what it's actual limit should be.
In RoboDK you can double click the joint limits to enter new joint limits. Also, if your axes are coupled (which happens with all Fanuc robots), when you select the limits of Joint 2 or Joint 3 you'll see the interaction of J2-J3 in the joint space. You can then enter the 4 points to define the allowed chart.
I tried to use the values you provided to improve the joint limits for your robot attached.
Because of the J2-J3 coupling, joint limits for axis 3 are not fixed. Therefore, if you give us the limit for joint 3, we need to know what value was used for Join 2 to better understand. I believe the range for joint 3 remains virtually constant, however, collisions with the robot itself can arise with some robots like the Fanuc R2000iC 210F.