6.
Perform the following inspection on the machine monitor.
1)
The buzzer sounds for approximately 2 seconds, then
the following caution lamp or meters light up for ap-
proximately 2 seconds.
• Radiator coolant level caution lamp (3)
• Engine oil level caution lamp (4)
• Air cleaner clogging caution lamp (5)
• Charge level caution lamp (6)
• Engine oil pressure caution lamp (7)
• Water separator caution lamp (8)
If any caution lamp does not light up or the buzzer does not sound, there is probably a failure in the
caution lamp, so ask your Komatsu distributor for repair.
2)
After approximately 2 seconds, the screen changes to the working mode/travel speed display. Then, it
will switch to the standard screen.
• DEF level gauge (9)
• DEF system caution lamp (10)
• Fuel gauge (11)
• Fuel level caution lamp (12)
• Hydraulic oil temperature gauge (13)
• Hydraulic oil temperature caution lamp (14)
• Engine coolant temperature gauge (15)
• Engine coolant temperature caution lamp (16)
3)
If the caution lamp (17) stays lit in red, immediately
check the item lit in red.
For details of contents and check methods for caution
lamp, see “WARNING DISPLAY”.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-172
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