Komatsu HM400-5, Operation & Maintenance Manual

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2) Machine monitor (9) displays start screen AA for 2
seconds, and then changes to standard screen BB.
3) The pointer of engine tachometer (10) swings once.
4) Speedometer (11) displays “88” for 2 seconds.
5) The alarm buzzer sounds for 2 seconds, then stops
under the normal condition.
NOTICE
If the lamps, alarm buzzer, etc. do not work, the
machine monitor may be defective or the electric
wiring may have breakage. In this case, ask your
Komatsu distributor for repair.
REMARK
• When the engine is started, the battery voltage
may suddenly drop depending on the temperature
and the battery condition.
In such case, the machine monitor may go out
temporarily or restart, but it is not a trouble.
• In approximately a second, the rear view monitor
displays soft version (12) for 5 seconds.
6) In 2 seconds, machine monitor (9) displays the stand-
ard screen.
If a password has been set, the password input
screen will be displayed on the monitor screen.
After inputting the password, press the enter switch.
REMARK
For details of the password setting, changing or can-
celing, see the separate “Password Change and Can-
cel Procedure”.
MACHINE OPERATIONS AND CONTROLS OPERATION
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