Komatsu SAA6D140E-3 User Manual

140-3 SERIES
12-201
POINTS TO REMEMBER WHEN TROUBLESHOOTING ..........................................................................12-203
METHOD OF USING TROUBLESHOOTING FLOWCHART......................................................................12-204
ERROR CODE DISPLAYS AND POINTS TO REMEMBER WHEN TROUBLESHOOTING ......................12-205
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE
WHEN ERROR CODE IS DISPLAYED ................................................................................................12-208
E-1 Error code [E-1b] [Abnormality in NE revolution sensor system] ..........................................................12-217
E-2 Error code [E-1C] [Abnormality in G revolution sensor system]............................................................12-218
E-3 Error code [E-20] [Abnormality in model selection system] ..................................................................12-219
E-4 Error code [E-22] [Overrun]...................................................................................................................12-220
E-5 Error code [E-23] [Overheat].................................................................................................................12-220
E-6 Error code [E-24] [Drop in oil pressure] ................................................................................................12-221
E-7 Error code [E-30] [Abnormality in idling validation signal system] ........................................................12-222
E-8 Error code [E-31] [Abnormality in throttle sensor system].....................................................................12-224
E-9 Error code [E-34] [Abnormality in water temperature high-temperature sensor system] ......................12-227
E-10 Error code [E-36] [Abnormality in oil pressure switch system]............................................................12-228
E-11 Error code [E-3C] [Abnormality in boost pressure sensor system]......................................................12-230
E-12 Error code [E-3d] [Abnormality in fuel temperature sensor system] ...................................................12-231
E-13 Error code [E-50] [Abnormality in preheating relay connecting point system] ....................................12-232
E-14 Error code [E-51] [Abnormality in preheat relay coil system] ..............................................................12-233
E-15 Error code [E-54] [Short circuit in starting switch C system] ...............................................................12-234
E-16 Error code [E-56] [Power source system abnormality 1].....................................................................12-235
E-17 Error code [E-57] [Power source system abnormality 2].....................................................................12-237
E-18 Error code [E-5A] [Abnormality in fuel injection quantity control switch signal]...................................12-238
E-19 Error code [E-6A] [Abnormality in water temperature low-temperature sensor system] .....................12-239
E-20 Error code [E-70] [Excess current in fuel supply pump PCV1 system] ...............................................12-240
E-21 Error code [E-71] [Excess current in fuel supply pump PCV2 system] ...............................................12-241
E-22 Error code [E-74] [Disconnection in fuel supply pump PCV1 system] ................................................12-242
E-23 Error code [E-75] [Disconnection in fuel supply pump PCV2 system] ................................................12-243
E-24 Error code [E-77] [Abnormality in common rail fuel pressure sensor system] ....................................12-244
E-25 Error code [E-79] [Common rail fuel high pressure abnormality 1]
Error code [E-7A] [Common rail fuel high pressure abnormality 2].....................................................12-245
E-26 Error code [E-7b] [Fuel supply pump non-force feed 1]
Error code [E-7C] [Fuel supply pump non-force feed 2]......................................................................12-246
★ This section gives the outline of the troubleshooting procedures for troubleshooting of the electrical system
related to the engine proper and the engine controller.
When carrying out troubleshooting of the electrical system with the engine mounted on the machine, see this
section and the shop manual for the machine.
TROUBLESHOOTING OF
ELECTRICAL SYSTEM (E MODE)

Komatsu SAA6D140E-3 Specifications

General

Brand	Komatsu
Model	SAA6D140E-3
Category	Engine
Language	English