Komatsu PC88MR-10 Shop Manual page 436

30 Testing and adjusting
Electrical system
Display of action level and failure code
If an abnormality that displays an action level and a
failure code occurs on the standard screen or
camera mode screen, the alarm monitor lights up.
If the alarm monitor lights up, press function switch
[F5] to display the "Current Abnormality".
[F1]: Moves to next page (screen) (when
displayed)
[F2] Moves to previous page (screen) (when
displayed)
[F5]: Returns to the standard screen
On "Current Abnormality" screen, the following
information is displayed.
(a): Alarm monitor
(b): Action level (3 digits)
(c): Failure code (5 or 6 digits)
(d): Failure code name
(e): Message
(f): Telephone No. (if registered)
a Remedies that displayed action levels require operator to do (The following table is an excerpt from the
Operation and Maintenance Manual)
Degree of
Action level
urgency
High
L04
L03
I
O
L02
L01
(For 2
seconds
Low
only)
30-86
(PC88MR-Q1FC-100-K-00-A)
Alarm
Buzzer
monitor
Q
Q
(Continuous)
Q
Q
(Intermittent)
Q
Q
(Intermittent)
-
Q
a This screen appears when trouble (failure code)
occurs only if its action level is set.
a The telephone number is displayed only when
the telephone number is registered in Service
Mode.
a If multiple troubles occur simultaneously, all the
codes are displayed repeatedly in order.
a Since the information of the displayed failure
code is recorded in the "Abnormality Record" in
the service mode, check the details in the
service mode.
a "Current Abnormality" is replaced with the
standard screen automatically after 30 seconds.
a Since "Current Abnormality" cannot be displayed
from the screen on which the camera mode is
displayed, move to "Current Abnormality" from
the standard screen side.
Stop immediately and perform checking and
maintenance.
Ask your Komatsu distributor for testing and repair
services.
Stop the work, move machine to safe place, stop it, and
perform checking and maintenance.
Ask your Komatsu distributor for testing and repair
services.
Stop the work once, and run the engine at medium
speed with no load or stop the engine. If no improvement
is seen, ask your Komatsu distributor for checking and
repair services.
Some functions may be limited. However, you can
perform the work. Perform the inspection and
maintenance after completion of the work.
Please contact your KOMATSU distributor as needed.
Remedy
PC88MR-10