Bobcat 873 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 873 Model

When the temperature is below -30 C (-20 F), hydrostatic oil must be warmed before starting. The hydrostatic system will not get enough oil at low temperatures and will be damaged. Park the machine in an area where the temperature will be above -18 C (0 F) if possible.