Komatsu D85EX-18 Operation & Maintenance Manual page 288

TROUBLES AND ACTIONS
Problem
DEF level caution lamp is displayed
on monitor.
Action level or caution lamp is dis-
played on monitor.
Alarm buzzer sounds.
Engine suddenly lost power.
(Entered 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" screen and check the details
and remedy.
For the contents of the action level display and caution lamp,
see "WARNING DISPLAY (3-13)".
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" screen and tele-
phone 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.
3-234
Main causes
Lowering of DEF level
Contact your Komatsu distributor.
Contact your Komatsu distributor.
Contact your Komatsu distributor.
Remedy
Add DEF.
OPERATION