Komatsu D37EX-24 Operation & Maintenance Manual page 88

EXPLANATION OF COMPONENTS OPERATION
Overload prevention guidance
If the machine is overloaded during work, overload prevention
message is displayed on the machine monitor.
Fuel consumption can be reduced by avoiding shoe slip or op-
erating the machine in the green zone of ECO gauge.
Overload prevention guidance goes out more than 5 seconds
later or when switch F5 is pressed.
DEF low level guidance
At 15 seconds after the starting switch is turned to ON position and the standard screen is displayed, if the oper-
able time estimated from current DEF level and the latest average DEF consumption is shorter than 8 hours,
DEF low level message is displayed.
When the time until engine power deration starts is 1 to 8 hours
"Approx. * hours remaining to DEF refill caution." is displayed.
When the time until engine power deration starts is less than 1 hour
"DEF refill caution will appear soon." is displayed.
DEF low level guidance goes out in more than 15 seconds or when switch F5 is pressed.
Add DEF to the DEF tank before engine power is to be derated.
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