Komatsu WA380-8, Operation & Maintenance Manual, Page: 320 / 432

IF MACHINE MONITOR SHOWS WARNING DISPLAY
When the action level display (1) or caution lamp (2) is shown
on the display of the machine monitor, press switch (3) to dis-
play “Current Abnormality” and check the details and remedy.
For the contents of the action level monitor and caution lamp,
see “BASIC OPERATION OF MACHINE MONITOR WHEN
STARTING ENGINE IN ABNORMAL SITUATION (3-14)”.
• When the machine has not run out of fuel, if “CA2249” or
“CA559”is displayed on “Current Abnormality” screen, re-
place both fuel main filter and fuel prefilter immediately.
For details of replacement, see “METHOD FOR REPLAC-
ING FUEL MAIN FILTER CARTRIDGE (4-52)” and
“METHOD FOR REPLACING FUEL PREFILTER CAR-
TRIDGE (4-50)”.
If “CA2249” or “CA559” is not cleared even after the re-
placement, ask your Komatsu distributor for an inspection
immediately, even though the machine can perform normal
operation.
• When failure code “CA4166 SCR Temperature Sensor
ECU High Temperature Error” is displayed, raise the cool-
ing fan speed by raising engine speed to emit heat inside
the engine room.
Telephone number for the point of contact if an error occurs
When an error screen is displayed on the monitor, press switch
(3) to display “Current Abnormality” screen and telephone num-
ber for the point of contact is displayed in the message column
at the bottom of the screen.
REMARK
If no point of contact telephone number is registered, no tele-
phone number is displayed.
Ask your Komatsu distributor for the telephone number regis-
tration if necessary.
TROUBLES AND ACTIONS OPERATION
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