Komatsu WA380-8, Руководство по эксплуатации и техническому обслуживанию

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The lamp lights up in yellow.
When you finish the operation, always perform the inspection and maintenance.
Ask your Komatsu distributor for the inspection and maintenance as needed.
REMARK
If you ignore the caution lamp and continue the work, the peripheral temperature of the aftertreatment devices
may increase abnormally.
For the aftertreatment devices, see “HANDLE Komatsu Diesel Particulate Filter (KDPF) (3-133)”.
KDPF SOOT ACCUMULATION CAUTION LAMP
The KDPF soot accumulation caution lamp warns that soot is
accumulated in KDPF or the filtering function of KDPF has low-
ered abnormally.
• When action level “L03” is displayed
The lamp lights up in red if much soot is accumulated in
KDPF or a system trouble such as lowering of the filtering
function of KDPF occurs. At the same time, the centralized
warning lamp lights up and alarm buzzer sounds intermit-
tently.
Stop the operation, move the machine to a safe place, and
perform the manual stationary regeneration.
The manual stationary regeneration may start automatically to protect the KDPF system.
• When action level “L01” is displayed
The lamp lights up in yellow if much soot is accumulated in KDPF.
After the operation is finished, move the machine to a safe place and perform manual stationary regenera-
tion.
REMARK
For details of the manual stationary regeneration, see “HANDLE Komatsu Diesel Particulate Filter (KDPF)
(3-133)”.
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.
Lighting in red
With Action level “L04”, Inducement status is “Severe Induce-
ment”. Engine power is under heavy deration.
With Action level “L03”, Inducement status is “Low level Inducement”. Engine power is under deration.
Lighting in yellow
With Action level “L01”, Inducement status is “Warning” or “Continuous Warning”.
When “Continuous Warning”, If no maintenance, advancing to the next Inducement status. Engine power will be
derated.
REMARK
For more information about the Inducement strategy, and Inducement status concerning engine power deration,
see “HANDLE UREA SCR SYSTEM WARNING (3-142)”.
EXPLANATION OF COMPONENTS OPERATION
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