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3840 Error Code For CO-OP Tractor Models

There are 3 kind of error description.

Description:

F5C Temperature Sensor Circuit (T2) Downstream Oxicat - High Error Red
ISM-IDI DPF Intake Temperature Sensor High Voltage Amber
ISM-DI Exhaust Gas Temperature 1 Sensor Signal Too High Amber

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.

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