Komatsu PC138US-11 Operation & Maintenance Manual page 91

Hydraulic excavator
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OPERATION
Caution lamps and display colors
Symbol
Type of caution lamp
Engine coolant temperature
Hydraulic oil temperature
Fuel level caution lamp
System state caution lamp
Hydraulic system caution
Aftertreatment devices sys-
Regeneration performance
DEF level caution lamp
DEF system caution lamp
DEF system high tempera-
ture stop caution lamp
Engine system caution lamp
Engine oil pressure caution
caution lamp
caution lamp
lamp
tem caution lamp
caution lamp
lamp
Display color/ Machine condition (Action level)
Red
High temperature
(L02)
High temperature
(L02)
Low level
Abnormal
Abnormal
(L04, L03)
Abnormal
Abnormal
(L04, L03)
Abnormal
Abnormal
(L04, L03)
Abnormal
Accumulated
(L03)
Abnormal
(L04, L03)
Abnormal
Abnormal
(L04, L03)
Engine stopped
at high tempera-
-
Abnormal
Abnormal
(L04, L03)
Low oil pressure
(L03)
WENAM00111
EXPLANATION OF COMPONENTS
Yellow
White
Low temper-
-
ature
Low temper-
-
ature
-
-
-
(L01)
-
(L01)
-
(L01)
-
(L01)
Sensing is
-
disabled
-
(L01)
-
ture
(L01)
-
(L01)
-
-
Blue
Normal
Normal
Normal
-
-
-
-
-
-
-
-
-
3-21

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