
TROUBLESHOOTING
OPERATION
3-126
MONITOR PANEL
3
When an error code appears on the display panel B (multi-
information), take appropriate remedies based upon the table
below.
(1): Display panel B
(2): Warning lamp (red)
REMARK
If different kinds of failures occur at the same time, their failure
codes are arranged in the order of seriousness in the display.
The order of seriousness in this case is E04, E03, E02 and
E01, starting from the most serious one.
Note: If an abnormality display appears on display panel B, check the fault code. For details, see “METHOD OF
USING FAULT CODE DISPLAY MODE (3-26)“.
When contacting your Komatsu distributor, please give the fault code also.
Action
code
Display panel B
Warning
lamp
Alarm
buzzer
Remedy
E01
Top line: Displays E01
Bottom line: Displays service meter
-
-
Part of function has failed or stopped, but oper-
ations can be carried out safely.
However, after completing operations, contact
your Komatsu distributor for repairs.
E02
Top line: Displays E02
Bottom line: Displays service meter
Flashes Sounds
Serious failure in part of function, stops. When
continuing operations, be extremely careful of
location of failure. After completing opera-
tions, contact Komatsu distributor for repairs
E03
Top line: Displays E03
Bottom line:
Displays telephone number
(If no telephone number is set, dis-
plays 0)
Flashes Sounds
After moving to safe place, stop machine
immediately. Contact Komatsu distributor for
repairs
E04
Top line: Displays E04
Bottom line: Displays telephone
number
(If no telephone number is set, dis-
plays 0)
Flashes Sounds
Stop machine immediately.
Contact Komatsu distributor for repairs
Summary of Contents for D31EX-21
Page 2: ......
Page 3: ...FOREWORD 11...
Page 52: ...PRECAUTIONS FOR MAINTENANCE SAFETY 2 34...
Page 237: ...SPECIFICATIONS 15...
Page 240: ...SPECIFICATIONS SPECIFICATIONS 5 4...
Page 251: ...INDEX 17...
Page 252: ...INDEX 7 2...
Page 255: ...COLOPHON 18...