431 Error Code For Hesston Tractor Models

There are 1828 kind of error description.

Description:

Hand Throttle (STD cab) Idle Validation Switches are both closed

Foot Throttle Idle Validation Switches are both closed (engine controller pins B25, B26)

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