Bobcat S220 U1229 Error Code
U1229 Error Code
NOx Post-treatement Sensor Fault is the main cause of U1229 error.A significant number of consequences can be suffered due to an overheating engine with code U1229. The problem might be a blown gasket or something related to the fuel tank.
Tip For S220 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.