Bobcat 763 P21C9 Error Code
P21C9 Error Code
SCR System Main Relay Short to Battery is the main cause of P21C9 error.A significant number of consequences can be suffered due to an overheating engine with code P21C9. The problem might be a blown gasket or something related to the fuel tank.
Tip For 763 Model
Operate as slow as possible and avoid sudden changes
in lever direction.
Avoid travelling over objects such as rocks, trees,
stumps, etc.
Stop the machine before moving the upper equipment
controls. Never allow the blade to strike a solid object.
Damage to the blade or hydraulic cylinder can result.