Self-diagnosis Fault code output MAN M(S) 5 EDC 27 Overview of flashcodes Number of flashes Long Short Description Steady light fault See Page 0 0 No fault stored 1 Pedal value transmitter (hand throttle signal) yes 36 3 Boost air temperature sensing No 40 4 Engine speed sensing (rpm sensor, DZG, 1) yes 41 5 Boost pressure sensing yes 42 6 Control rod position sensing yes 43 7 Coolant temperature sensing yes 44 10 Fuel-delivery regulator monitoring yes 45 14 Engine speed sensing (auxiliary rpm sensor, HZG, 2) yes 46 1 1 Fuel temperature reader No 47 1 3 Undervoltage No 48 1 4 Request button (brake) No 49 1 6 Control unit (Computer coupling) yes 50 1 7 Overrevving yes 51 1 12 Multistage switch for engine speed yes 52 1 13 EDC operating element for idle speed setting No 53 2 5 Main relay sticking No 54 2 8 Atmospheric pressure sensing yes 57 3 1 Redundant cutout device (EHAB) yes 58 3 2 Control unit EEPROM computer, 1 fault yes 59 3 3 Control unit EEPROM computer, 2 faults yes 60 3 4 Stop button on engine room panel No 61 3 8 Afterrunning not completed yes 62 3 9 Control unit, after-running watchdog fault yes 63 3 10 Control rod travel transmitter – loose contact No 64