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Komatsu D37EX -23 Shop Manual page 11

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E-6 When starting switch is turned to ON position (with engine stopped), basic check monitor
lights up ............................................................................................................. 40-535
E-7 Air cleaner clogging monitor lights up in yellow while engine is running ........................... 40-536
E-8 Charge level monitor lights up in red while engine is running .......................................... 40-537
E-9 Engine coolant temperature monitor lights up in red while engine is running .................... 40-538
E-10 Engine oil pressure monitor lights up in red while engine is running .............................. 40-539
E-11 HST charge pressure monitor lights up in red while engine is running ............................ 40-540
E-12 Hydraulic oil temperature monitor lights up in red while engine is running ...................... 40-541
E-13 HST oil filter clogging monitor lights up in red while engine is running ............................ 40-542
E-14 Fuel level gauge does not indicate correct level .......................................................... 40-543
E-15 Engine coolant temperature gauge does not indicate correct temperature ..................... 40-546
E-16 Hydraulic oil temperature gauge does not indicate correct temperature ......................... 40-547
E-17 Operation mode does not change .............................................................................. 40-548
E-18 Service mode cannot be selected .............................................................................. 40-549
E-19 Operating customize switch does not display customize screen ................................... 40-550
E-20 Modifying setting on customize screen does not change setting of machine .................. 40-551
E-21 Service meter is not displayed, while starting switch is in OFF position.......................... 40-552
E-22 Work equipment does not operate ............................................................................. 40-553
E-23 Foot heater does not operate .................................................................................... 40-555
E-24 Horn does not sound ................................................................................................ 40-560
E-25 Horn does not stop sounding..................................................................................... 40-562
E-26 Backup alarm does not sound ................................................................................... 40-563
E-27 Backup alarm does not stop sounding........................................................................ 40-564
E-28 Headlamp does not light up....................................................................................... 40-565
E-29 Rear lamp does not light up....................................................................................... 40-568
E-30 No wiper operates continuously or intermittently.......................................................... 40-571
E-31 Front wiper does not operate ..................................................................................... 40-573
E-32 Rear wiper does not operate ..................................................................................... 40-575
E-33 Left door wiper does not operate (failed in both continuous and intermittent
operations)......................................................................................................... 40-577
E-34 Right door wiper does not operate (failed in both continuous and intermittent
operations)......................................................................................................... 40-581
E-35 Front washer does not operate .................................................................................. 40-585
E-36 Rear washer does not operate................................................................................... 40-587
E-37 Left door washer does not operate ............................................................................. 40-589
E-38 Right door washer does not operate........................................................................... 40-591
E-39 KOMTRAX system does not operate normally ............................................................ 40-593
Troubleshooting of hydraulic and mechanical system (H-mode) .................................................. 40-595
Information described in troubleshooting table (H-mode) ..................................................... 40-595
System chart of hydraulic and mechanical systems............................................................. 40-596
Failure mode and cause table ........................................................................................... 40-598
H-1 Neither RH nor LH of tracks does not travel forward nor reverse (None of the travel system
operates) ........................................................................................................... 40-602
H-2 Either RH or LH of track does not travel forward nor reverse (Only RH or LH of travel
system operates) ................................................................................................ 40-604
H-3 Either RH or LH of track travel only forward or reverse (Only forward or reverse of RH or
LH of travel system does not operate)................................................................... 40-605
H-4 Travel speed or power is low ....................................................................................... 40-607
H-5 Travel speed range does not change ........................................................................... 40-608
H-6 Shock is large when machine starts or stops ................................................................ 40-609
H-7 Machine deviates largely ............................................................................................ 40-610
H-8 Machine drift on a slope is large .................................................................................. 40-612
H-9 Engine stalls during travel or engine speed drops significantly ....................................... 40-613
H-10 Unusual noise is heard from around HST pump or motor ............................................. 40-614
H-11 All work equipment do not operate ............................................................................. 40-615
H-12 All work equipment operates slowly or lacks power ..................................................... 40-617
H-13 Blade lift speed or power is low ................................................................................. 40-619
H-14 Blade tilt speed or power is low ................................................................................. 40-620
H-15 Blade angle speed or power is low............................................................................. 40-621
D37, 39-23
00 Index and foreword
Index
00-9

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