Bobcat S100 W0521 Error Code
W0521 Error Code
Lift Spool Position Sensor Out of Range High is the main cause of W0521 error.A significant number of consequences can be suffered due to an overheating engine with code W0521. The problem might be a blown gasket or something related to the fuel tank.
Tip For S100 Model
When the temperature is below -30 C (-20 F), hydrostatic oil must be warmed before starting. The hydrostatic system will not get enough oil at low temperatures and will be damaged. Park the machine in an area where the temperature will be above -18 C (0 F) if possible.