139 Error Code For Wuzheng Tractor Models

There are 1970 kind of error description.

Description:

Front Suspension lower lock solenoid circuit shorted or open circuit

Aux remote valve TIMER potentiometer is failed

Aux 5th Lower Coil solenoid shorted to 12 volts.

Front Suspension lower lock solenoid circuit shorted or open circuit

Aux remote valve TIMER potentiometer is failed

Hissing noise at expansion valve, Loss of refrigerant.Restriction in refrigerant system.Check receiver-dryer for uniformity of temperature.