Bobcat 773 M0821 Error Code
M0821 Error Code
Engine Coolant Temperature Out of Range High is the main cause of M0821 error.A significant number of consequences can be suffered due to an overheating engine with code M0821. The problem might be a blown gasket or something related to the fuel tank.
Tip For 773 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.