Bobcat S70 M4028 Error Code
M4028 Error Code
Wrong ECU Detected is the main cause of M4028 error.To solve M4028 locate and open the low-pressure valve, then attach the refrigerant to the valve and charge from there. Ensure you use the right refrigerant type and amount, as specified by a manufacturer. It is possible to overcharge the AC, so consider seeking help from a mechanic.
Tip For S70 Model
Visually check the lifting eye, the clevis and
the lifting chain (lifting device) for any
damage. Replace any damage components
before lifting.
Always use chains or other types of lifting
devices that are intended for this type of use
and that are of adequate strength for the
object being lifted.