Komatsu PC200 -8 Shop Manual page 10

SEN00093-20
Failure code [DW91KA] Travel Junction Sol Discon................................................................ 48
Failure code [DW91KB] Travel Junction Sol Short .................................................................. 50
Failure code [DWA2KA] Service Sol Discon............................................................................ 52
Failure code [DWA2KB] Service Sol Short .............................................................................. 53
Failure code [DWK0KA] 2-stage Relief Sol Discon ................................................................. 54
Failure code [DWK0KB] 2-stage Relief Sol Short.................................................................... 56
Troubleshooting by failure code (Display of code), Part 4
Failure code [DXA8KA] PC-EPC (F) Sol Discon .....................................................................
Failure code [DXA8KB] PC-EPC (F) Sol Short........................................................................
Failure code [DXA9KA] PC-EPC (R) Sol Discon .....................................................................
Failure code [DXA9KB] PC-EPC (R) Sol Short .......................................................................
Failure code [DXE0KA] LS-EPC Sol Discon............................................................................ 10
Failure code [DXE0KB] LS-EPC Sol Short .............................................................................. 12
Failure code [DXE4KA] Service Current EPC Discon ............................................................. 14
Failure code [DXE4KB] Service Current EPC Short................................................................ 16
Failure code [DXE5KA] Merge-divider Main Sol Discon.......................................................... 18
Failure code [DXE5KB] Merge-divider Main Sol Short ............................................................ 20
Failure code [DXE6KA] Merge-divider LS Sol Discon ............................................................. 22
Failure code [DXE6KB] Merge-divider LS Sol Short................................................................ 24
Failure code [DY20KA] Wiper Working Abnormality................................................................ 26
Failure code [DY20MA] Wiper Parking Abnormality ................................................................ 28
Failure code [DY2CKA] Washer Drive Discon ......................................................................... 30
Failure code [DY2CKB] Washer Drive Short ........................................................................... 32
Failure code [DY2DKB] Wiper Drive (For) Short ..................................................................... 34
Failure code [DY2EKB] Wiper Drive (Rev) Short..................................................................... 36
Troubleshooting of electrical system (E-mode)
Before carrying out troubleshooting of electrical system .........................................................
Information in troubleshooting table.........................................................................................
E-1 When starting switch turned ON, machine monitor displays nothing ................................
E-2 When starting switch turned ON (before starting engine), basic check item lights up ......
E-3 Engine does not start (Engine does not turn).................................................................... 10
E-4 Preheater does not operate .............................................................................................. 14
E-5 Automatic warm-up system does not operate (in cold season) ........................................ 18
E-6 All work equipment, swing, and travel mechanism do not move or cannot be locked ...... 20
E-7 Precaution lights up while engine is running ..................................................................... 22
E-8 Emergency stop item lights up while engine is running .................................................... 28
E-9 Engine coolant temperature gauge does not indicate normally ........................................ 29
E-10 Hydraulic oil temperature gauge does not indicate normally .......................................... 30
E-11 Fuel level gauge does not indicate normally ................................................................... 33
E-12 Contents of display by machine monitor are different from applicable machine ............. 35
E-13 Machine monitor does not display some items ............................................................... 35
E-14 Function switch does not work ........................................................................................ 35
E-15 Auto-decelerator does not operate normally ................................................................... 36
E-16 Working mode does not change ..................................................................................... 37
E-17 Travel speed does not change ........................................................................................ 38
E-18 Alarm buzzer cannot be stopped .................................................................................... 39
E-19 Windshield wiper and window washer do not operate .................................................... 40
E-20 Power maximizing function does not operate normally................................................... 42
E-21 Swing holding brake does not operate normally ............................................................. 44
E-22 Travel alarm does not sound or does not stop sounding ................................................ 46
E-23 Air conditioner does not operate normally 
(including air conditioner abnormality record) ........................................................... 48
E-24 While starting switch is in OFF position, service meter is not displayed ......................... 59
E-25 Machine monitor cannot be set in service mode............................................................. 59
E-26 Monitoring function does not display lever control signal normally ................................. 60
E-27 KOMTRAX system does not operate normally ............................................................... 68
Troubleshooting of hydraulic and mechanical system (H-mode)
System diagram of hydraulic and mechanical system.............................................................
8
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00 Index and foreword
SEN00243-04
2
4
6
8
SEN00244-04
3
5
6
8
SEN00245-03
4
PC200, 220-8