Komatsu H70051 Series Operation & Maintenance Manual page 85

OPERATION EXPLANATION OF COMPONENTS
(G) Guidance icon
On the "Current Abnormality" list screen, the following switches displayed in guidance icon (G) can be operated.
UP switch: Moves to the previous page. When on the first
page, it moves to the last page.
DOWN switch: Moves to the next page. When on the last page,
it moves to the first page.
RETURN switch: Returns to the standard screen.
ENGINE COOLANT TEMPERATURE CAUTION LAMP
Engine coolant temperature caution lamp warns about over-
heating of the engine coolant.
If the engine coolant temperature is abnormally high, the cau-
tion lamp lights up in red and action level "L02" is displayed.
At the same time, the centralized warning lamp lights up and
alarm buzzer sounds intermittently.
Stop the machine in a safe place, set the directional lever and
directional selector switch to NEUTRAL position (N), and run
the engine at a medium speed with no load until the caution
lamp goes out.
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