OPERATION Action Code (E01) This code alerts the operator of a problem in the system. This would be low coolant level or a maintenance due item. If this code should appear while operating the machine, take the machine to a maintenance area so servicing can be carried out or the problem can be checked. Action Code (E00) This code will appear if the parking brake is not fully released or the machine is traveling at an excessive road speed or down hill at an excessive speed. If this should occur, slow the machine down immediately to a safe speed. Never over speed the engine, damage to the engine will occur.
Remark Action codes cannot be erased or canceled, after repairs have been made the system will automatically reset its self and the code will disappear. FAILURE CODE DISPLAY If an action code is displayed, check the failure code using the failure code display method given below.When contacting your Komatsu distributor to request repairs, please inform your distributor of the failure code. Method Of Displaying Failure Code If an action code is displayed on the monitor display portion (4), press the mode selector switch (>)button. 1. The action code will change to the failure code. The failure code is displayed with the first 6 digits on the left side of the character display.
The code displayed after the space on the right side of the failure code indicates the controller that detected the failure code. The failure code and the component causing the failure are displayed on the character display for 3 seconds each. The controller in the system detecting the failure will be indicated. Press the selector switch (>) button again. If the condition is normal, the service meter is displayed for several seconds, then the display returns to the action code. If more than one failure has occurred at the same time, the next failure code is displayed.
2-12 WA480-5L Top right code Controller detecting failure code MON Machine monitor TM Transmission controller ENG Engine controller WRK Work equipment controller (if equipped)