Komatsu ecot3 WA430-6 Operation & Maintenance Manual page 159

OPERATION
CHECK BEFORE STARTING
Always perform the procedures in this section before starting the engine each day.
CHECK MACHINE MONITOR
1. Turn starting switch to the ON position (B).
2. Check that all the monitors, gauges, and the central warning
lamp light up for approx. 2 seconds, and that the alarm buzzer
sounds for approx. 2 seconds.
If the lamps do not light up, there is probably a failure or
disconnection. Contact
inspection.
3 - 102
your Komatsu distributor for
OPERATION