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00 INDEX AND FOREWORD
E-53 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .
................................................................................................................................................40-1018
E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION.40-1019
E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION40-1020
E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION ..........
................................................................................................................................................40-1021
E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED.......................................40-1023
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY .................................................40-1024
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .....................40-1025
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)...............................40-1025
SYSTEM CHART OF HYDRAULIC AND MECHANICAL SYSTEMS ..........................................40-1026
FAILURE MODE AND CAUSE TABLE........................................................................................40-1028
H-1 ALL OF WORK EQUIPMENTS, SWING AND TRAVEL OPERATION LACK SPEED OR POWER. ..
................................................................................................................................................40-1037
H-2 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS ..................................................40-1040
H-3 ANY OF WORK EQUIPMENT, SWING AND TRAVEL DOES NOT WORK ..........................40-1042
H-4 UNUSUAL SOUND IS HEARD FROM AROUND HYDRAULIC PUMP ................................40-1043
H-5 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR............................................40-1044
H-6 SPEED OR POWER OF BOOM IS LOW .............................................................................40-1045
H-7 SPEED OR POWER OF ARM IS LOW ................................................................................40-1049
H-8 SPEED OR POWER OF BUCKET IS LOW..........................................................................40-1054
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION .....................................40-1057
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE ........................................................................40-1058
H-11 HYDRAULIC DRIFT OF ARM IS LARGE ...........................................................................40-1060
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE.....................................................................40-1062
H-13 OTHER WORK EQUIPMENT MOVES WHEN ONE OF WORK EQUIPMENT IS RELIEVED .........
................................................................................................................................................40-1063
H-14 IN COMBINED OPERATION OF WORK EQUIPMENT , EQUIPMENT HAVING HEAVIER LOAD
MOVES SLOWER. ..................................................................................................................40-1064
H-15 TIME LAG OF WORK EQUIPMENT IS LARGE .................................................................40-1065
H-16 MACHINE DOES NOT TRAVEL STRAIGHT ......................................................................40-1066
H-17 MACHINE IS HARD TO STEER OR TRAVEL POWER IS LOW ........................................40-1068
H-18 TRAVEL SPEED IS LOW ...................................................................................................40-1071
H-19 ONE OF TRACKS DOES NOT RUN ..................................................................................40-1073
H-20 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO LOW OR HIGH ....40-1074
H-21 UPPER STRUCTURE DOES NOT SWING IN BOTH RIGHT AND LEFT DIRECTIONS....40-1075
H-22 UPPER STRUCTURE DOES NOT SWING IN ONLY ONE DIRECTION............................40-1076
H-23 SWING ACCELERATION OR SWING SPEED OF UPPER STRUCTURE IS LOW IN BOTH
RIGHT AND LEFT DIRECTIONS ............................................................................................40-1077
H-24 SWING ACCELERATION OR SWING SPEED IS LOW IN ONLY ONE DIRECTION .........40-1078
H-25 OVERRUN OF UPPER STRUCTURE IS LARGE IN BOTH RIGHT AND LEFT DIRECTIONS .......
................................................................................................................................................40-1079
H-26 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWING IN ONLY ONE DI-
RECTION ................................................................................................................................40-1080
H-27 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING .............................40-1081
H-28 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING40-1082
H-29 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED)40-1083
H-30 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED) ........
................................................................................................................................................40-1084
H-31 TRAVEL SPEED DROPS LARGELY IN COMBINED OPERATION OF SWING AND TRAVE .........
................................................................................................................................................40-1085
H-32 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW ....
................................................................................................................................................40-1086
H-33 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT WORK...............................40-1087
H-34 ATTACHMENT CIRCUIT CANNOT BE CHANGED............................................................40-1088
H-35 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CONTROLLED ...............................40-1089
TROUBLESHOOTING OF ENGINE (S-MODE) .................................................................................40-1090
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)...............................40-1090
PC240LC-11
INDEX
00-13
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