Bobcat S770 H4621 Error Code
H4621 Error Code
Vsensor 5V supply OOR High is the main cause of H4621 error.A significant number of consequences can be suffered due to an overheating engine with code H4621. The problem might be a blown gasket or something related to the fuel tank.
Tip For S770 Model
If the engine stops, the boom / bucket
(attachments) can be lowered to the ground
using hydraulic pressure in the accumulator.
The control console must be in the locked
down position, and the key switch in the ON
position.
Use the control lever to lower the boom.