19739 Error Code For Tractor Models

There are 115 kind of error description.

Description:

D3 Main Relay opens too early / too late - main relay shut off too late - P0687 ECM/PCM Power Relay Control Circuit High

Main Relay opens too early / too late - main relay shut off too late - P0687 ECM/PCM Power Relay Control Circuit High

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