Problem
Main causes
Remedy
An error code is displayed on the
monitor.
Contact your Komatsu distributor.
Alarm buzzer sounds.
Engine suddenly loses power.
It is in derate mode.
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 F5 to dis-
play the Current Abnormality and check the details and reme-
dy.
• When “DXA2KA”, “DXA2KB”, “DXA3KA”, or “DXA3KB” is
on the Current Abnormality screen, you can make it possi-
ble to perform operations temporarily by turning the pump
secondary drive switch to upper (emergency) position.
After that, immediately ask your Komatsu distributor for in-
spection and repair.
• When the machine has not run out of fuel, if “CA2249” or
“CA559” appears on the Current Abnormality screen, re-
place both fuel main filter and fuel prefilter immediately.
For details of replacement, see “METHOD FOR REPLAC-
ING FUEL PREFILTER CARTRIDGE” and “METHOD FOR
REPLACING FUEL MAIN FILTER CARTRIDGE”.
If “CA2249” or “CA559” does not disappear even after the replacement, ask your Komatsu distributor for
inspection and repair immediately, even though the machine can perform normal operation.
Telephone number for the point of contact if an error occurs
When an error screen is displayed on the monitor, press the
switch F5 to display the Current Abnormality list screen and tel-
ephone number (3) 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.
OPERATION
TROUBLES AND ACTIONS
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Summary of Contents for PC700LC-11
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Page 401: ...For 7 6m Boom SPECIFICATIONS SPECIFICATIONS 5 5...
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