Bobcat T190 B1039-12 Error Code
B1039-12 Error Code
Side Lights Short to Battery is the main cause of B1039-12 error.To solve B1039-12 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 T190 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.