Komatsu HB215LC-3, Operation & Maintenance Manual

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REGENERATION PERFORMANCE CAUTION LAMP
This warns about the deterioration of regeneration performance
of aftertreatment devices.
When action level “L03” appears on screen.
The caution lamp comes on in red and the alarm buzzer oper-
ates continuously.
Move the machine to a safe area and activate manual station-
ary regeneration.
When action level “L01” appears on screen.
The caution lamp comes on in yellow.
Move the machine to a safe area and activate manual stationary regeneration after the end of work.
DEF LEVEL CAUTION LAMP
DEF level caution lamp alerts when DEF tank level becomes
low.
Whenever the caution lamp lights up in red, immediately add
DEF.
Fault conditions that result in activation of the Inducement strat-
egy for engine derates to prompt to maintain or repair the emis-
sion control system.
When Lightning in red
With Action level “L04”, DEF tank level is too low. Inducement
status is “Severe Inducement”. Engine power is under heavy
deration. Hybrid system power is also under deration. This results in low swing motor power.
With Action level “L03”, DEF tank level is low. Inducement status is “Low level Inducement”. Engine power is
under deration. Hybrid system power is also under deration. This results in low swing motor power.
With No Action level display. DEF tank level is lower. Inducement status is “Continuous Warning”. Need to add
DEF immediately to avoid advancing to the next Inducement status.
With No Action level display. DEF tank level is becomes low. Warning starts. Inducement status is “Warning”.
Need to add DEF immediately.
When Lightning in white
When fluctuation of DEF tank level is large, frozen, or not limited to, tank level sensing is not performed correct-
ly.
When DEF is added after engine starting switch is turned to OFF position.
When DEF tank level sensor is defective.
DEF SYSTEM CAUTION LAMP
DEF system caution lamp alerts when abnormality in the sys-
tem are detected.
Whenever the caution lamp lights up in yellow or in red, take
necessary actions by instructions.
Fault conditions that result in activation of the Inducement strat-
egy for engine derates to prompt to maintain or repair the emis-
sion control system.
When lightning in red
With Action level “L04”, Inducement status is “Severe Induce-
ment”. Engine power is under heavy deration. Hybrid system
power is also under deration. This results in low swing motor power.
With Action level “L03”, Inducement status is “Low level Inducement”. Engine power is under deration. Hybrid
system power is also under deration. This results in low swing motor power.
EXPLANATION OF COMPONENTS OPERATION
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