11. EXPLANATION OF COMPONENTS 11.1.1 A. ACTION CODE DISPLAY 1. ACTION CODE DISPLAY If any failure occurred on the machine or if the operation needs to be changed or if checks and maintenance are required, this shows the action code indicating appropriate corrective action. If two or more failures occurred at the same time, this shows the more important action code first. NOTICE If letter “E-” and any action code of “01” to “07” 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 the action code.
Action code 02 Park the machine at a safe location and contact Komatsu’s Service Department. 04 Carry out an emergency stop. Stop the engine and contact Komatsu’s serviceman. 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 body. 2-7