Komatsu PW98MR-10 Operation & Maintenance Manual page 99

OPERATION
E Mode Recommendation Guidance
If light-load work is continued for more than 10 minutes in P or
ATT/P mode, E mode recommendation message is displayed.
When working on light load, set the working mode to E to re-
duce unnecessary fuel consumption.
E mode recommendation message goes out more than 10 sec-
onds after or when switch F5 is pressed.
METER DISPLAY
ENGINE COOLANT TEMPERATURE GAUGE
Engine coolant temperature gauge shows the engine coolant
temperature.
If the indicator is in green range during operations, it is normal.
If the indicator goes beyond (A) of red range during operations,
the overheat prevention system operates.
(A) to (B): Red range
(A) to (C): Green range
(C) to (D): White range
The overheat prevention system is actuated as follows.
Red range (A) position: Engine coolant temperature caution lamp (E) shows abnormality display.
Red range (B) position: Engine speed changes to low idle, engine coolant temperature caution lamp (E) shows
abnormality display, alarm buzzer sounds at same time.
The overheat prevention system continues to operate until the indicator enters the green range.
When the engine is started, if the indicator is at position (D), engine coolant temperature caution lamp (E) shows
the low-temperature display.
In this case, perform warm-up operation. For details see "METHOD FOR ENGINE WARM-UP OPERATION
(3-154)".
Display (G) when temperature is low: Caution lamp background
(K) is white.
Display (H) when temperature is proper: Caution lamp back-
ground (K) is blue.
Display (J) when condition is abnormal: Caution lamp back-
ground (K) is red.
WENAM00061
EXPLANATION OF COMPONENTS
RKA48040
RKA48001
3-31