Bobcat S550 05-21 Error Code
05-21 Error Code
Travel Pilot Pressure Out Of Range High is the main cause of 05-21 error.A significant number of consequences can be suffered due to an overheating engine with code 05-21. The problem might be a blown gasket or something related to the fuel tank.
Tip For S550 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.