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SEN01894-05
Failure code [DY2CKB] Washer drive S/C .................................................................................. 36
Failure code [DY2DKB] Wiper drive (for) S/C ............................................................................. 38
Failure code [DY2EKB] Wiper drive (rev) S/C............................................................................. 40
Troubleshooting of electrical system (E-mode)
Before carrying out troubleshooting of electrical system.............................................................
Information contained in troubleshooting table............................................................................
E-1 Engine does not start............................................................................................................
E-2 Auto-decelerator does not operate .......................................................................................
E-3 Automatic warming-up system does not operate.................................................................. 11
E-4 Preheater does not operate .................................................................................................. 12
E-5 All work equipment, swing, and travel mechanism do not move .......................................... 14
E-6 Power maximizing function does not operate ....................................................................... 16
E-7 Machine monitor does not display at all................................................................................ 18
E-8 Machine monitor does not display some items..................................................................... 20
E-9 Contents of display by machine monitor are different from applicable machine................... 20
E-10 Fuel level monitor was lighted in red while engine running ................................................ 21
E-11 Engine coolant temperature gauge does not indicate normally .......................................... 22
E-12 Hydraulic oil temperature gauge does not indicate normally .............................................. 24
E-13 Fuel level gauge does not indicate normally....................................................................... 26
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 Monitoring function fails to display "boom raise" normally .................................................. 36
E-18 Monitoring function fails to display "boom lower" normally ................................................. 38
E-19 Monitoring function fails to display "arm IN" normally ......................................................... 40
E-20 Monitoring function fails to display "arm OUT" normally ..................................................... 42
E-21 Monitoring function fails to display "bucket CURL" normally .............................................. 44
E-22 Monitoring function fails to display "bucket DUMP" normally.............................................. 46
E-23 Monitoring function fails to display "swing left" normally ..................................................... 48
E-24 Monitoring function fails to display "swing right" 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
E-32 Attachment circuit does not change.................................................................................... 66
Troubleshooting of hydraulic and mechanical system (H-mode)
Information contained in troubleshooting table............................................................................
System chart for hydraulic and mechanical systems ..................................................................
H-1 Speed or power of all work equipment, swing, and travel are low........................................
H-2 Engine speed sharply drops or engine stalls ........................................................................
H-3 No work equipment, travel and swing move.........................................................................
H-4 Abnormal noise is heard from around hydraulic pump .........................................................
H-5 Auto-decelerator does not work............................................................................................
H-6 Fine control mode does not function ....................................................................................
H-7 Speed or power of boom is low ............................................................................................ 10
H-8 Speed or power of arm is low ............................................................................................... 11
H-9 Speed or power of bucket is low........................................................................................... 12
H-10 Work equipment does not move in its single operation ...................................................... 13
H-11 Hydraulic drift of work equipment is large ........................................................................... 14
H-12 Time lag of work equipment is large ................................................................................... 15
H-13 One-touch power max system does not operate................................................................ 15
H-14 Work equipment loaded more is slower during compound operation................................. 16
H-15 Boom RAISE speed is low in compound operation of swing + boom RAISE ..................... 16
H-16 Travel speed lowers largely during compound operation of work equipment/swing + travel..... 17
8
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00 Index and foreword
SEN02117-00
3
5
6
9
SEN02118-00
3
4
6
7
8
8
9
9
PC160LC-7E0
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