SEN04568-13
00-100 8 PC160LC-8
100 Index
Table of contents
Failure code [DWA2KB] Service sol short................................................................................... 37
Failure code [DWJ0KA] Merge-divider sol discon....................................................................... 38
Failure code [DWJ0KB] Merge-divider sol short ......................................................................... 40
Failure code [DWK0KA] 2-stage relief sol discon........................................................................ 42
Failure code [DWK0KB] 2-stage relief sol short.......................................................................... 44
304 Troubleshooting by failure code, Part 4 SEN04799-00
Failure code [DXA8KA] PC-EPC sol discon................................................................................ 2
Failure code [DXA8KB] PC-EPC sol short.................................................................................. 4
Failure code [DXE4KA] Service current EPC discon .................................................................. 6
Failure code [DXE4KB] Service current EPC short..................................................................... 8
Failure code [DY20KA] Wiper working abnormality .................................................................... 10
Failure code [DY20MA] Wiper parking abnormality .................................................................... 12
Failure code [DY2CKA] Washer drive discon.............................................................................. 14
Failure code [DY2CKB] Washer drive short................................................................................ 16
Failure code [DY2DKB] Wiper drive (for) short ........................................................................... 18
Failure code [DY2EKB] Wiper drive (rev) short........................................................................... 20
400 Troubleshooting of electrical system (E-mode) SEN04800-01
Before carrying out troubleshooting of electrical system............................................................. 3
Information contained in troubleshooting table............................................................................ 5
E-1 When starting switch turned ON, machine monitor displays nothing.................................... 6
E-2 When starting switch turned ON (before starting engine), basic check item lights up.......... 8
E-3 Engine does not start (Engine does not turn) ....................................................................... 11
E-4 Preheater does not operate..................................................................................................14
E-5 Automatic warm-up system does not operate (in cold season)............................................ 16
E-6 All work equipment, swing, and travel mechanism do not move or cannot be locked.......... 18
E-7 Precaution lights up while engine is running......................................................................... 20
E-8 Emergency stop item lights up while engine is running........................................................ 24
E-9 Engine coolant temperature gauge does not indicate normally............................................ 25
E-10 Hydraulic oil temperature gauge does not indicate normally.............................................. 26
E-11 Fuel level gauge does not indicate normally....................................................................... 28
E-12 Contents of display by machine monitor are different from applicable machine................. 30
E-13 Machine monitor does not display some items................................................................... 30
E-14 Function switch does not work............................................................................................ 30
E-15 Auto-decelerator does not operate normally....................................................................... 31
E-16 Working mode does not change......................................................................................... 32
E-17 Travel speed does not change............................................................................................ 33
E-18 Alarm buzzer cannot be stopped........................................................................................ 34
E-19 Windshield wiper and window washer do not operate........................................................ 35
E-20 Power maximizing function does not operate normally ...................................................... 37
E-21 Swing holding brake does not operate normally................................................................. 39
E-22 Travel alarm does not sound or does not stop sounding.................................................... 41
E-23 Air conditioner does not operate normally (including air conditioner abnormality record) .. 43
E-24 While starting switch is in OFF position, service meter is not displayed............................. 54
E-25 Machine monitor cannot be set in service mode ................................................................ 54
E-26 Monitoring function does not display lever control signal normally..................................... 56
E-27 KOMTRAX system does not operate normally................................................................... 67
500 Troubleshooting of hydraulic and mechanical system (H-mode) SEN04801-00
Information contained in troubleshooting table............................................................................ 3
System chart for hydraulic and mechanical systems .................................................................. 4
H-1 Speed or power of all work equipment, swing, and travel are low........................................ 6
H-2 Engine speed sharply drops or engine stalls........................................................................ 7
H-3 No work equipment, travel and swing move......................................................................... 8
H-4 Abnormal noise is heard from around hydraulic pump......................................................... 8
H-5 Auto-decelerator does not work............................................................................................ 9
H-6 Fine control mode does not function .................................................................................... 9
H-7 Speed or power of boom is low ............................................................................................ 10
H-8 Speed or power of arm is low............................................................................................... 11
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