Bobcat S450 W6903 Error Code
W6903 Error Code
Boom retract Switch 2 Short to Ground or open circuit is the main cause of W6903 error.A significant number of consequences can be suffered due to an overheating engine with code W6903. The problem might be a blown gasket or something related to the fuel tank.
Tip For S450 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.