Komatsu BR380JG-1E0, Shop Manual, Page: 11 / 841

00 Index and foreword SEN01343-03
BR380JG-1E0
9
E-3 The automatic warm-up function does not work................................................................... 10
E-4 Preheater does not operate.................................................................................................. 12
E-5 The whole work equipment stops suddenly.......................................................................... 14
E-6 The red mark of emergency stop is indicated just after the engine is started....................... 16
E-7 The machine monitor does not display any item .................................................................. 20
E-8 Some items are not displayed on the machine monitor........................................................ 22
E-9 Contents of display by machine monitor are different from applicable machine................... 22
E-10 Fuel level monitor was lighted in red while engine running ................................................ 23
E-11 Engine coolant temperature gauge does not indicate normally .......................................... 24
E-12 The fuel level gauge does not display normally.................................................................. 26
E-13 The hydraulic oil temperature gauge does not display normally ........................................ 27
E-14 The travel, work, and inspection modes do not change. .................................................... 28
E-15 The crusher clearance adjustment mode does not change................................................ 30
E-16 The crusher rotation direction does not change ................................................................. 32
E-17 Machine does not travel ..................................................................................................... 34
E-18 Travel cannot be controlled by radio control....................................................................... 36
E-19 The feeder cannot be turned ON and OFF by radio control ............................................... 40
E-20 One-touch start, stop switch cannot be operated by radio control ..................................... 44
E-21 The monitor switches do not work ...................................................................................... 47
E-22 The crusher cannot be operated with the crusher manual FORWARD/REVERSE
switch on the monitor ......................................................................................................... 48
E-23 The conveyor cannot be operated with the conveyor manual FORWARD/REVERSE
switch on the monitor ......................................................................................................... 49
E-24 KOMTRAX system does not operate normally................................................................... 50
Troubleshooting of hydraulic and mechanical system (H-mode) SEN02306-01
System chart for hydraulic and mechanical systems .................................................................. 4
Information contained in troubleshooting table............................................................................ 6
H-1 The speed or power of the whole work equipment and travel is low.................................... 8
H-2 The engine speed lowers extremely or the engine stalls ..................................................... 10
H-3 The work equipment and travel systems do not work .......................................................... 11
H-4 Abnormal sound comes out from around the hydraulic pump.............................................. 11
H-5 Fine control performance or response is low ....................................................................... 12
H-6 The conveyor does not operate............................................................................................ 13
H-7 The speed or power of the conveyor is low.......................................................................... 14
H-8 The crusher does not operate .............................................................................................. 15
H-9 The speed or power of crusher is low .................................................................................. 16
H-10 The feeder does not operate .............................................................................................. 16
H-11 The feeder does not feed smoothly (Vibration frequency is low)........................................ 17
H-12 The magnetic separator does not operate ......................................................................... 17
H-13 The speed of magnetic separator belt is low...................................................................... 18
H-14 The side conveyor does not operate .................................................................................. 18
H-15 The speed or power of the side conveyor is low ................................................................ 19
H-16 The primary conveyor and the side conveyor do not move up and down .......................... 20
H-17 The machine deviates during travel ................................................................................... 21
H-18 The travel speed is low....................................................................................................... 23
H-19 The machine is not steered well or steering power is low .................................................. 25
H-20 The travel motor does not work (only one side) ................................................................. 26
H-21 When the travel switch of the radio controller is depressed, the machine does not travel. 26
H-22 The crusher clearance cannot be adjusted ........................................................................ 27
Troubleshooting of engine (S-mode) SEN02307-00
Method of using troubleshooting chart ........................................................................................ 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 lack output (or lacks power) ..................................................................................... 13
S-7 Exhaust smoke is black (incomplete combustion)................................................................ 14