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EXPLANATION OF COMPONENTS
DEF SYSTEM HIGH TEMPERATURE STOP CAUTION LAMP
DEF system Temperature stop caution lamp alerts when the
times of engine is shut down under the condition of high degree
temperature of DEF system exceeds the defined number of
times.
Whenever the caution lamp lights up in yellow, it is necessary
to ask your Komatsu distributor to go off this caution lamp.
ENGINE SYSTEM CAUTION LAMP
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.
The engine system caution lamp warns about abnormality in
the engine 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 operation and move the machine to a safe place, 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 have the inspection and maintenance performed.
Ask your Komatsu distributor for the inspection and maintenance as needed.
ENGINE SUDDEN STOP BY AUTO IDLE STOP CAUTION LAMP
The auto idle stop sudden stop caution lamp warns about the
abnormality when the engine is stopped abruptly by the auto
idle stop function for more than the specific times.
When action level "L03" is displayed
The caution lamp lights up in red and the alarm buzzer sounds
intermittently.
Stop the operation and move the machine to a safe place, then
ask your Komatsu distributor for inspection and maintenance.
When action level "L01" is displayed
The caution lamp lights up in yellow.
The engine durability may be lower but the machine can operate.
When you finish the operation, always perform the inspection and maintenance.
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CAUTION
OPERATION
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