3639 bcu fault. To rectify. ~~~~~ 3639 BCU fault. To rectify.(DT Check)  FC301 BCU com fault and FC307 BCU com error 6. #3639 replaced BCU and function tested ok. Set wheel diameter to 830mm. New SN: 1530217 Old SN: 1541267 Notif: 2558836 Done by: Kamal/Firas 45299