Bobcat S330 D7509 Error Code

D7509 Fault Code Meaning :

Operating Mode Switch Short To Ground Or Battery

Drive Operating Mode Switch Short To Earth Or Battery

Drive ISO/H Pattern Switch Short to Ground or Battery

Park Brake Reserve Pressure Low

D7509 Error Code

Park Brake Reserve Pressure Low is the main cause of D7509 error.A significant number of consequences can be suffered due to an overheating engine with code D7509. The problem might be a blown gasket or something related to the fuel tank.

Tip For S330 Model

If the engine stops, the boom / bucket (attachments) can be lowered to the ground using hydraulic pressure in the accumulator.

The control console must be in the locked down position, and the key switch in the ON position.

Use the control lever to lower the boom.