Bobcat S185 P20B4 Error Code
P20B4 Error Code
DEF Tank Heating/Coolant Valve Short to Battery is the main cause of P20B4 error.To solve P20B4 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 S185 Model
Operate as slow as possible and avoid sudden changes
in lever direction.
Avoid travelling over objects such as rocks, trees,
stumps, etc.
Stop the machine before moving the upper equipment
controls. Never allow the blade to strike a solid object.
Damage to the blade or hydraulic cylinder can result.