Komatsu PC138US-11 Operation & Maintenance Manual page 142

EXPLANATION OF COMPONENTS OPERATION
REMARK
While the auto idle stop function is ON, the number of the times
that the engine was stopped when it was not at low idle (the
engine speed is 1400 rpm or higher) is displayed as "L01" at
and after 1000 and as "L03" at and after 2000 on the monitor.
AFTERTREATMENT DEVICES REGENERATION
Each item of "Aftertreatment Devices Regeneration" menu (c)
is to make settings for the aftertreatment devices regeneration.
SCR INFORMATION
Each item in "SCR Information" menu (d) is for displaying infor-
mation related to SCR and DEF.
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