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OPERATION
EXPLANATION OF COMPONENTS
USER CODE DISPLAY
If any failure occurred on the machine or if the operation needs to be changed or if checks and maintenance are
required, the user code display (1) shows the user code indicating appropriate corrective action. At this time, the
monitor related to the abnormal area lights up or flashes, and the central warning light flashes.
(1) User code display
WARNING
If user code 02 or 04 is displayed, stop the machine immediately. See "SERVICE CODE (PAGE 3-118)", and check the service code
number. Contact Komatsu distributor, telling them the service code number, for repair.
If letter "E-" and any user code of "01 to 07" is displayed in turn at the upper right of the liquid crystal display on the
monitor panel, stop the machine once. Then, take the corrective action as follows after checking user code (1).
User code
02: Park the machine at a safe location and contact your Komatsu distributor.
04: Carry out an emergency stop. Stop the engine and contact your Komatsu distributor.
01: Carry out checks and maintenance according to the Operation and Maintenance Manual.
03: Operate the machine keeping the engine at low revolution and low travel speed.
05: Stop the machine. Run the engine at a mid-range speed under no load.
06: Restart the engine. Idle the engine for a while.
07: Do not raise the dump body.
If the user code is displayed again even after taking the corrective action shown above when the user code 01,
03, 05, 06, or 07 is displayed, check the sevice code.
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Summary of Contents for HD785-5
Page 2: ... 1 1 ...
Page 4: ... FOREWORD FOREWORD 1 3 ...
Page 5: ... FOREWORD FOREWORD 1 4 ...
Page 15: ... 2 1 ...
Page 19: ... SAFETY SAFETY LABELS POSITION FOR ATTACHING SAFETY LABELS 2 5 ...
Page 47: ... 3 1 ...
Page 132: ... OPERATION OPERATION Brake performance Downhill distace Continuous Tire size 27 00R49 3 86 ...
Page 166: ... 4 1 ...
Page 237: ... 5 1 ...
Page 239: ... SPECIFICATIONS SPECIFICATIONS 5 3 ...
Page 240: ... 6 1 ...
Page 299: ... 7 1 ...