Komatsu D155AX-8E0, Operation & Maintenance Manual

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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 (3-123)”.
DEF SYSTEM HIGH TEMPERATURE STOP CAUTION LAMP
DEF system high temperature stop caution lamp alerts when
the times of engine is shut down under the condition of high de-
gree temperature of DEF system exceeds the defined number
of times.
When the action level “L01” is displayed
The caution lamp lights up in yellow.
The engine is stopped for more than the specific times while
the DEF system is in high-temperature. If this condition contin-
ues, the machine may be damaged.
When stopping the engine, stop it after running it at low idle for
approximately 5 minutes according to “METHOD FOR STOPPING ENGINE (3-176)”.
When stopping the engine during aftertreatment devices regeneration, stop the regeneration first according to
“PROCEDURE FOR AFTERTREATMENT DEVICES REGENERATION DISABLE SETTING (3-119)”, then stop
the engine after running it at low idle for approximately 5 minutes.
Ask your Komatsu distributor for the inspection and maintenance as needed.
PARKING BRAKE SYSTEM CAUTION LAMP
The parking brake system caution lamp warns about abnormal-
ity in the parking brake system.
When action level “L04” is displayed
The caution lamp lights up in red and the alarm buzzer sounds
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for inspection and maintenance.
When action level “L03” is displayed
The caution lamp lights up in red and the alarm buzzer sounds
intermittently.
Stop the work, move the machine to a safe place, and then ask your Komatsu distributor for inspection and
maintenance.
When action level “L01” is displayed
The caution lamp lights up in yellow.
Some functions may be restricted for use, but the machine can operate.
When you finish the operation, always perform the inspection and maintenance.
Ask your Komatsu distributor for inspection and maintenance as needed.
ENGINE SYSTEM CAUTION LAMP
k k
WARNING
If the operation is continued while the red caution lamp is lit, accumulation and combustion of the soot
in KDPF are accelerated, and consequently the temperature of KDPF and exhaust gas can increase
high. Stop the engine immediately.
EXPLANATION OF COMPONENTS OPERATION
3-24