. OPERATION EXPLANATION OF COMPONENTS that there is no failure in the monitor lamps. please 3 - 6 Check c entral warning l amp, alar m buzzer, monitor l amps, and tartin turn ON position, press machin e monitor check bulb switch (1), and check In additio meter di n to t splay he gauge portion i s that s also function during the actuated. When system check, this happens, the the characte r display sho ws the machine model and software version of the machine The have probabl contact your K omatsu distributor for inspection. failed, so