Bobcat S630 A0803 Error Code
A0803 Error Code
Right interlocking sensor Short to Ground or Open circuit is the main cause of A0803 error.To solve A0803 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 S630 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.