Bobcat T450 M5303 Error Code
M5303 Error Code
Electronic Battery Disconnect open error (unstucked) is the main cause of M5303 error.To solve M5303 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 T450 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.