19183 Error Code For Stihl Tractor Models

There are 53 kind of error description.

Description:

57 Reverting valve (4-2way valve?) electrically - Open load - P20A0 Vent valve (Reductant Purge Control Valve) Open circuit

Reverting valve (4-2way valve?) electrically - Open load - P20A0 Vent valve (Reductant Purge Control Valve) -open circuit

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