Bobcat 753 D4621 Error Code
D4621 Error Code
Voltage Sensor 5V OOR High is the main cause of D4621 error.A significant number of consequences can be suffered due to an overheating engine with code D4621. The problem might be a blown gasket or something related to the fuel tank.
Tip For 753 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.