Komatsu WA600-8 Operation & Maintenance Manual page 80

EXPLANATION OF COMPONENTS
BASIC OPERATION OF MACHINE MONITOR
BASIC OPERATION OF MACHINE MONITOR WHEN STARTING ENGINE IN NOR-
MAL SITUATION
When the starting switch is turned to ON position, the machine monitor starts and operates as follows.
1.
Centralized warning lamp (A), warning and pilot display (B) are lit for 2 seconds and light off for 1 second.
2.
Liquid crystal display (C) displays starting screen AA for 2 seconds, and then changes to standard screen
BB.
3.
The pointer of engine tachometer (D) swings once.
4.
Speedometer (E) displays "88" for 2 seconds.
5.
The alarm buzzer sounds for 2 seconds, then stops under the normal condition.
NOTICE
If the pilot lamp, caution lamp, alarm buzzer, etc. do not work, the machine monitor may be failed or the
electric wiring may have breakage. In this case, ask your Komatsu distributor for repair.
REMARK
At starting of the engine, battery voltage may drop abruptly depending on the ambient temperature or battery
condition, and the machine monitor may go out temporarily or restart, but it is not a trouble.
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OPERATION