Bobcat TL3570 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.To solve D7509 locate and open the low-pressure valve, then attach the refrigerant to the valve and charge from there. Ensure you use the right refrigerant type and amount, as specified by a manufacturer. It is possible to overcharge the AC, so consider seeking help from a mechanic.

Tip For TL3570 Model

It is recommended in cold weather to cycle the glow plugs twice before attempting to start the engine. This will allow for additional heating time for cold weather starting.