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00 INDEX AND FOREWORD
E-42 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED..........................40-1019
E-43 HORN DOES NOT SOUND................................................................................................40-1020
E-44 HORN DOES NOT STOP SOUNDING...............................................................................40-1023
E-45 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF .
................................................................................................................................................40-1025
E-46 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE...40-1026
E-47 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPER-
ATE .........................................................................................................................................40-1028
E-48 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION ...
................................................................................................................................................40-1029
E-49 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .
................................................................................................................................................40-1030
E-50 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION..........
................................................................................................................................................40-1031
E-51 RB Arm IN / LL Arm OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING
FUNCTION..............................................................................................................................40-1032
E-52 BUCKET DUMP/HEEL IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING
FUNCTION..............................................................................................................................40-1033
E-53 BUCKET CURL/HEEL OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING
FUNCTION..............................................................................................................................40-1034
E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION.40-1035
E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION40-1036
E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION ..........
................................................................................................................................................40-1037
E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED.......................................40-1039
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY .................................................40-1040
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .....................40-1041
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)...............................40-1041
SYSTEM CHART OF HYDRAULIC AND MECHANICAL SYSTEMS ..........................................40-1042
FAILURE MODE AND CAUSE TABLE........................................................................................40-1044
H-1 ANY OF WORK EQUIPMENT, SWING AND TRAVEL DOES NOT WORK ..........................40-1053
H-2 ALL OF WORK EQUIPMENTS, SWING AND TRAVEL OPERATION LACK SPEED OR POWER ...
................................................................................................................................................40-1054
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR............................................40-1057
H-4 UNUSUAL SOUND IS HEARD FROM AROUND HYDRAULIC PUMP ................................40-1058
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS ..................................................40-1059
H-6 SPEED OR POWER OF BOOM IS LOW .............................................................................40-1061
H-7 SPEED OR POWER OF ARM IS LOW ................................................................................40-1065
H-8 SPEED OR POWER OF BUCKET/HEEL IS LOW................................................................40-1070
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION .....................................40-1073
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE ........................................................................40-1074
H-11 HYDRAULIC DRIFT OF ARM IS LARGE ...........................................................................40-1076
H-12 HYDRAULIC DRIFT OF BUCKET/HEEL IS LARGE...........................................................40-1078
H-13 OTHER WORK EQUIPMENT MOVES WHEN ONE OF WORK EQUIPMENT IS RELIEVED .........
................................................................................................................................................40-1079
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE .................................................................40-1080
H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT WORK...............................40-1081
H-16 ATTACHMENT CIRCUIT CANNOT BE CHANGED............................................................40-1082
H-17 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CONTROLLED ...............................40-1083
H-18 IN COMBINED OPERATION OF WORK EQUIPMENT , EQUIPMENT HAVING HEAVIER LOAD
MOVES SLOWER. ..................................................................................................................40-1084
H-19 TRAVEL SPEED DROPS LARGELY IN COMBINED OPERATION OF SWING AND TRAVE .........
................................................................................................................................................40-1085
H-20 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW ....
................................................................................................................................................40-1086
H-21 MACHINE DOES NOT TRAVEL STRAIGHT ......................................................................40-1087
H-22 MACHINE IS HARD TO STEER OR TRAVEL POWER IS LOW ........................................40-1089
H-23 TRAVEL SPEED IS LOW ...................................................................................................40-1092
PC290LL-11
INDEX
00-13
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