Komatsu PC45MR-30403, Operation And Maintenance Manual

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CURRENT ABNORMALITY LIST DISPLAY
If there is any abnormality currently generated, “!” is displayed
on top of function switch “F3”.
While “!” is displayed, if you press function switch “F3”, monitor
display screen is shifted to “Current Abnormality” screen.
Take appropriate remedies according to the message displayed
on the monitor.
Operation on “Current Abnormality” screen
On “Current Abnormality” screen, you can perform the following
operations with function switches “F1”, “F2”, and “F3”.
Function switch “F1”
Displays the next page. When on the last page, it displays the
first page.
Function switch “F2”
Displays the previous page. When on the first page, it displays
the last page.
Function switch “F3”
Return to the standard screen.
ENGINE COOLANT TEMPERATURE CAUTION LAMP
Engine coolant temperature caution lamp warns about states
caused by engine coolant temperature.
When abnormal
The caution lamp lights up in red, and action level “L02” is dis-
played.
The engine coolant temperature is abnormally high.
While this lamp is lit, the overheat prevention system is auto-
matically actuated and the engine speed drops.
Stop the machine operations and run the engine at low idle un-
til the caution lamp changes to the normal display color (blue)
at a correct temperature.
When temperature is low
The caution lamp lights up in white.
The engine coolant temperature is low.
The engine needs to be warmed up.
Perform the warm-up operation for the engine until the caution lamp changes to the normal display color (blue)
at the correct temperature.
When temperature is correct
The caution lamp lights up in blue.
EXPLANATION OF COMPONENTS OPERATION
3-20