OPERATION DESCRIPTION OF ALERTS, GAUGES AND MONITOR SYSTEM Before operating the machine it is important to understand all the functions equipped with your machines monitor. Operating the machine without knowledge of all the alert systems may damage the machine, property or possibly cause injury to the operator. Below is a description of all monitoring functions. INSTR U MENT BEZEL A. Character display B. Emergency stop items C. CAUTION items D. Inspection and maintenance items E. Pilot display F. Meter display G.
Central warning lamp When turning the ignition switch to the “ON” position before starting the engine, the central warning lamp, caution lamps, and pilot lamps light up for 2 seconds to check the system. After the alarm buzzer sounds for 2 seconds, it goes off if the condition is normal. The shift indicator display shows “88” for 2 seconds. The indicator gauges and meters are actuated after the above system check is completed. The character display shows “KOMATSU SYSTEM CHECK” for 3 seconds. If the lamps do not light up, there is probably a failure or disconnection. Contact your Komatsu distributor for inspection. WA480-5L 2-7