Komatsu 114E-3 Series, Shop Manual, Page: 7 / 342

00 Index and foreword SEN00171-05
114E-3 Series
5
Troubleshooting of electrical system (E-mode), Part 2 SEN00460-01
Troubleshooting of electrical system (E-mode), Part 2 ............................................................... 3
E-28 Code [351/CA351] INJ. Drive Circuit Error ..................................................................... 3
E-29 Code [352/CA352] Sensor Sup. 1 Volt. Low Error .......................................................... 5
E-30 Code [386/CA386] Sensor Sup. 1 Volt. High Error ......................................................... 7
E-31 Code [428/CA428] Water Sensor High Level Error......................................................... 8
E-32 Code [429/CA429] Water Sensor Low Level Error ......................................................... 10
E-33 Code [431/CA431] Idle Validation Switch Error .............................................................. 12
E-34 Code [432/CA432] Idle Validation Process Error ............................................................ 14
E-35 Code [435/CA435] Eng. Oil Switch Error ........................................................................ 16
E-36 Code [441/CA441] Supply Voltage Low Error................................................................. 18
E-37 Code [442/CA442] Supply Voltage High Error ................................................................ 20
E-38 Code [449/CA449] Rail Press. High Error 2.................................................................... 22
E-39 Code [451/CA451] Rail Press. Sensor High Error .......................................................... 24
E-40 Code [452/CA452] Rail Press. Sensor Low Error ........................................................... 26
E-41 Code [488/CA488] Charge Air Temp. High Torque Derate ............................................. 28
E-42 Code [553/CA553] Rail Press. High Error 1.................................................................... 29
E-43 Code [559/CA559] Rail Press Low Error ........................................................................ 30
E-44 Code [689/CA689] Eng. Ne Speed Sensor Error............................................................ 32
E-45 Code [731/CA731] Eng. Bkup Speed Sensor Phase Error ............................................. 34
E-46 Code [757/CA757] All Engine Controller Data Lost Error ............................................... 36
E-47 Code [778/CA778] Eng. Bkup Speed Sensor Error ........................................................ 38
E-48 Code [1633/CA1633] KOMNET Error ............................................................................. 40
E-49 Code [2185/CA2185] Throttle Sens. Sup. Volt. High Error ............................................. 42
E-50 Code [2186/CA2186] Throttle Sens. Sup. Volt. Low Error .............................................. 43
E-51 Code [2249/CA2249] Rail Press very Low Error............................................................. 44
E-52 Code [2265/CA2265] Abnormally high level in electric lift pump .................................... 46
E-53 Code [2266/CA2266] Abnormally low level in electric lift pump ...................................... 48
E-54 Code [2311/CA2311] IMV (IMA) Solenoid Error.............................................................. 50
E-55 Code [2555/CA2555] Intake Air Heater Relay Supply Voltage Low Error....................... 52
E-56 Code [2556/CA2556] Intake Air Heater Relay Supply Voltage High Error ...................... 54
E-57 Code [---/B@BAZG] Eng. Oil Press. Low Speed Derate ................................................ 56
E-58 Code [---/B@BAZG] Eng. Oil Press Low Torque Derate................................................. 56
E-59 Code [---/B@BCNS] Eng. Overheat................................................................................ 57
Troubleshooting of mechanical system (S-mode) SEN00458-01
Troubleshooting of mechanical system (S-mode) ....................................................................... 3
Method of using troubleshooting charts................................................................................... 3
S-1 Starting performance is poor............................................................................................. 6
S-2 Engine does not start ........................................................................................................ 7
S-3 Engine does not pick up smoothly .................................................................................... 10
S-4 Engine stops during operations ........................................................................................ 11
S-5 Engine does not rotate smoothly ...................................................................................... 12
S-6 Engine lacks output (or lacks power) ................................................................................ 13
S-7 Exhaust smoke is black (incomplete combustion) ............................................................ 14
S-8 Oil consumption is excessive (or exhaust smoke is blue)................................................. 15
S-9 Oil becomes contaminated quickly ................................................................................... 16
S-10 Fuel consumption is excessive ....................................................................................... 17
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down).............................. 18
S-12 Oil pressure drops........................................................................................................... 19
S-13 Oil level rises (Entry of coolant or fuel) ........................................................................... 20
S-14 Coolant temperature becomes too high (overheating).................................................... 21
S-15 Abnormal noise is made ................................................................................................. 22
S-16 Vibration is excessive ..................................................................................................... 23