Bobcat TL470 H4821 Error Code
H4821 Error Code
5V Sensor Supply Out of Range High is the main cause of H4821 error.A significant number of consequences can be suffered due to an overheating engine with code H4821. The problem might be a blown gasket or something related to the fuel tank.
Tip For TL470 Model
Stop the machine on a firm flat surface. When
removing or installing attachments (such as a
bucket), always have a second person in the
operator's seat, give clear signals and work carefully.
NOTE: Installation and removal of a bucket is shown.
The procedure for other attachments is
similar. Disconnect all hydraulic connections
prior to removing the attachment (breaker,
auger, etc.)