OPERATION Service Meter The service meter (1) shows the total number of hours that the machine has been working. If the engine is running, the service meter advances even if the machine is not being operated. The service meter advances one for every hour of operation, regardless of the engine speed. Even if the starting switch is OFF, the service meter is displayed on the top line if the top ( ) portion of the machine monitor mode selector switch 1 is kept pressed. Remark When the starting switch is at the OFF position and if the service meter is displayed even though the top ( ) of machine monitor mode selector switch 1 is not pressed, there is probably a failure in the machine.
Contact your Komatsu distributor for inspection. Action Code Display If action code E03 is displayed, stop the machine immediately and check the failure code. For details, see “Failure Code Display” on page 2-11. Inform your Komatsu distributor of the failure code and ask for repairs. If there is a failure on the machine, or if it is necessary to change the method of operation, or if inspection or maintenance must be carried out, action code E01, E02, or E03 is displayed on the character display in display portion (2). If different failures occur at the same time, the action code for the more serious problem is displayed. Level of seriousness:
E03 = most serious E02 = less serious E01 = least serious In the case of action codes E02 and E03, the alarm buzzer sounds intermittently and the central warning lamp illuminates. If action code E01, E02, or E03 is displayed on the character display, stop operations; check the content of the display; and take the following action. E03 : When this code is displayed, stop the machine immediately; check the failure code; and contact your Komatsu distributor for repairs. Remark “E03” is displayed on the top line of the character display and “CHECK RIGHT NOW” and “CALL” are displayed in turn on the bottom line for three seconds each.
The telephone number is displayed to the right of the “CALL” display. If no telephone number has been set, the display is blank. For instructions on setting the telephone number, see “Entering Telephone Number” on page 2-35. 2-10 WA430-6