Komatsu ecot3 WA200-6 Shop Manual page 9

100 Index
Table of contents
130 Testing and adjusting, Part 3
Adjusting machine monitor ............................................................................................................................
Adjusting replaced, reassembled or added sensor, controller, etc. with machine monitor ............................
Special functions of machine monitor (EMMS)..............................................................................................
Pm clinic inspection chart .............................................................................................................................. 59
40 Troubleshooting
100 Failure code table and fuse locations
Failure codes table ........................................................................................................................................
Fuse locations ...............................................................................................................................................
200 General information on troubleshooting
Points to remember when troubleshooting ....................................................................................................
Sequence of events in troubleshooting .........................................................................................................
Testing before troubleshooting ......................................................................................................................
Classification and procedures of troubleshooting..........................................................................................
Information contained in troubleshooting table..............................................................................................
Connection table for connector pin numbers................................................................................................. 10
T- branch box and T- branch adapter table ................................................................................................... 46
310 Troubleshooting by failure code (Display of code), Part 1
Failure code [2G40ZG] Brake: Oil pressure reduction ..................................................................................
Failure code [6091NX] HST filter: Clogging...................................................................................................
Failure code [989FN1] Travel speed: Overrun alarm ....................................................................................
Failure code [AB00L6] Alternator R system: Hot short..................................................................................
Failure code [AB00MA] Alternator R system: Ground fault/Disconnection charge/Low charge voltage .......
Failure code [B@BAZG] Engine: Oil pressure reduction............................................................................... 10
Failure code [B@BCNS] Engine: Overheat................................................................................................... 11
Failure code [B@BCZK] Engine: Low coolant level ...................................................................................... 12
Failure code [B@C6NS] Front brake: High oil temperature .......................................................................... 14
Failure code [B@CRNS] HST: High oil temperature ..................................................................................... 15
320 Troubleshooting by failure code (Display of code), Part 2
Failure code [CA111] Abnormality in engine controller ..................................................................................
Failure code [CA115] Engine Ne or Bkup speed sensor error.......................................................................
Failure code [CA122] Charge pressure sensor high error.............................................................................
Failure code [CA123] Charge pressure sensor low error ..............................................................................
Failure code [CA131] Throttle sensor high error ........................................................................................... 10
Failure code [CA132] Throttle sensor low error............................................................................................. 12
Failure code [CA144] Coolant sensor high error ........................................................................................... 14
Failure code [CA145] Coolant sensor low error............................................................................................. 16
Failure code [CA153] Charge temperature sensor high error ....................................................................... 18
Failure code [CA154] Charge temperature sensor low error......................................................................... 20
Failure code [CA155] Derating of speed by abnormally high charge temperature........................................ 22
Failure code [CA187] Sensor power supply 2 low error ................................................................................ 24
Failure code [CA221] Atmospheric pressure sensor high error..................................................................... 26
Failure code [CA222] Atmospheric sensor low error ..................................................................................... 28
Failure code [CA227] Sensor power supply 2 high error............................................................................... 30
Failure code [CA234] Engine overspeed....................................................................................................... 31
Failure code [CA238] Ne speed sensor power supply error.......................................................................... 32
Failure code [CA271] IMV (IMA) Short circuit................................................................................................ 33
Failure code [CA272] IMV (IMA) Disconnection ............................................................................................ 34
Failure code [CA322] Injector #1 open/short error ........................................................................................ 36
Failure code [CA324] Injector #3 open/short error ........................................................................................ 38
Failure code [CA331] Injector #2 open/short error ........................................................................................ 40
Failure code [CA332] Injector #4 open/short error ........................................................................................ 42
Failure code [CA342] Calibration code inconsistency ................................................................................... 44
Failure code [CA351] Injectors drive circuit error .......................................................................................... 46
Failure code [CA352] Sensor power supply 1 low error ................................................................................ 48
Failure code [CA386] Sensor power supply 1 high error............................................................................... 50
WA200, 200PZ-6
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