Komatsu ecot3 WA430-6 Operation & Maintenance Manual page 174

OPERATION OPERATION
4. Check that work equipment lock lever (3) is at the LOCK
position (L).
5. Insert the key in starting switch (4), turn the key to the ON
position (B), and check that the machine monitor system
works.
When the starting switch is turned to the ON position before
starting the engine, monitors, gauges, and central warning
lamp light up for approx. 2 seconds, and the alarm buzzer
sounds for approx. 2 sec.
If any monitor does not light up, there is probably a failure or
disconnection. Contact
inspection.
In addition, after all the monitors, gauges, and central warning
lamp light up, a self check is carried out to check that the
emergency steering function works properly. For details, see
"EMERGENCY STEERING
(PAGE 3-137)" in the OPERATION section.
your Komatsu distributor
SELF-CHECK FUNCTION
for
OPERATION OPERATION
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