F5C Engine Controller (Internal Communication Error). If Error Exists Only Temporarily (i.e. Injection Reoccurs), Error Can Be Ignored. If EDC Replaced, Follow The Appropriate Service Tool Procedure To Restore Self Learning Parameters. Amber
Controller Watchdog -SPI Communication Failure
If Failure to cool in electrical system, Compressor clutch not engaging.Expansion valve not functioning. Restriction in refrigerant system. See your John Deere dealer.Faulty wiring or loose connections.Defective temperature control switch.Outside temperature too low, below 21gets warmer.Condenser is overheating. Clean condenser screens, cores and fins of condenser and radiator.