SEN01985-15 00 Index and foreword
8PC300, 350-8
Failure code [DWA2KA] Attachment Sol Open Circuit ................................................................ 32
Failure code [DWA2KB] Attachment Sol Short Circuit ................................................................ 33
Failure code [DWJ0KA] Merge-divider Sol. Open Circuit............................................................ 34
Failure code [DWJ0KB] Merge-divider Sol. Short Circuit ............................................................ 36
Failure code [DWK0KA] 2-stage Relief Sol. Open Circuit ........................................................... 38
Failure code [DWK0KB] 2-stage Relief Sol. Short Circuit ........................................................... 40
Failure code [DXA0KA] PC-EPC Sol. Open Circuit..................................................................... 42
Failure code [DXA0KB] PC-EPC Sol. Short Circuit..................................................................... 44
Failure code [DXE0KA] LS-EPC Sol. Open Circuit ..................................................................... 46
Failure code [DXE0KB] LS-EPC Sol. Short Circuit ..................................................................... 48
Failure code [DXE4KA] Service Current EPC Open Circuit ........................................................ 50
Failure code [DXE4KB] Service Current EPC Short Circuit ........................................................ 51
Failure code [DY20KA] Wiper Working Abnormality ................................................................... 52
Failure code [DY20MA] Wiper Parking Abnormality.................................................................... 54
Failure code [DY2CKA] Washer Drive Open Circuit.................................................................... 56
Failure code [DY2CKB] Washer Drive Short Circuit.................................................................... 58
Failure code [DY2DKB] Wiper Drive (Fwd) Short Circuit ............................................................ 60
Failure code [DY2EKB] Wiper Drive (Rev) Short Circuit ............................................................. 62
Troubleshooting of electrical system (E-mode) SEN02632-02
Before carrying out troubleshooting of electrical system............................................................. 4
Information contained in troubleshooting table............................................................................ 6
E-1 Engine does not start............................................................................................................ 7
E-2 Auto-decelerator does not operate ....................................................................................... 10
E-3 Automatic warming-up system does not operate.................................................................. 12
E-4 Preheater does not operate ..................................................................................................14
E-5 All work equipment, swing, and travel mechanism do not move .......................................... 16
E-6 Power maximizing function does not operate ....................................................................... 18
E-7 Machine monitor does not display at all................................................................................ 20
E-8 Machine monitor does not display some items..................................................................... 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 Hydraulic oil temperature gauge does not indicate normally .............................................. 26
E-13 Fuel level gauge does not indicate normally....................................................................... 27
E-14 Swing lock monitor does not indicate normally................................................................... 28
E-15 When monitor switch is operated, monitor displays nothing............................................... 30
E-16 Windshield wiper and window washer do not operate........................................................ 32
E-17 Machine push-up function does not operate normally ........................................................ 36
E-18 Monitoring function fails to display “boom raise” normally .................................................. 38
E-19 Monitoring function fails to display “boom lower” normally ................................................. 40
E-20 Monitoring function fails to display “arm IN” normally ......................................................... 42
E-21 Monitoring function fails to display “arm OUT” normally ..................................................... 44
E-22 Monitoring function fails to display “bucket CURL” normally .............................................. 46
E-23 Monitoring function fails to display “bucket DUMP” normally.............................................. 48
E-24 Monitoring function fails to display “swing” normally........................................................... 50
E-25 Monitoring function fails to display “travel” normally ........................................................... 52
E-26 Monitoring function fails to display “travel differential pressure” normally .......................... 54
E-27 Monitoring function fails to display “service” normally ........................................................ 56
E-28 KOMTRAX system does not operate normally ................................................................... 58
E-29 Air conditioner does not operate......................................................................................... 60
E-30 Travel alarm does not sound or does not stop sounding .................................................... 62
E-31 Horn does not sound .......................................................................................................... 64
Troubleshooting of hydraulic and mechanical system (H-mode) SEN02633-03
System chart for hydraulic and mechanical system .................................................................... 4
Information contained in troubleshooting table............................................................................ 6
H-1 All work equipment lack power, or travel and swing speeds are slow .................................. 8
H-2 Engine speed sharply drops or engine stalls ........................................................................ 10
H-3 No work equipment, swing or travel move............................................................................ 11
