Bobcat 328 D7521 Error Code
D7521 Error Code
Drive Left Joystick Y-Axis Out of Range High is the main cause of D7521 error.A significant number of consequences can be suffered due to an overheating engine with code D7521. The problem might be a blown gasket or something related to the fuel tank.
Tip For 328 Model
There is a control lock sensor in the left
console which deactivates the hydraulic
control levers (joysticks) and the traction
drive system when the control console is
raised. The console must be in the locked
down position for the hydraulic control levers
(joysticks) and traction system to operate.
NOTE: If the control lock sensor does not deactivate
the control levers and traction system when
console is raised, see your Bobcat 328 dealer for
service.