Komatsu PC88MR-10 Shop Manual page 452

30 Testing and adjusting
Electrical system
Abnormality record (electrical
systems)
(PC88MR-Q1S3-100-K-00-A)
The machine monitor records the past and currently
occurring failures classifying them into the
mechanical system abnormality and electrical
system abnormality.
To check the electrical system abnormality record,
perform the following procedures.
a For the failure code list, see "40 Failure code list
for troubleshooting".
1. Selecting menu
Select "Abnormality Record" on "Service Menu"
screen.
2. Selecting sub menu
After the "Abnormality Record" screen is
displayed, select "Electrical Sys Abnormality
Record" by using the function switch or numeral
input switches.
[F3]: Moves selection downward
[F4]: Moves selection upward
[F5]: Returns to "Service Menu" screen
[F6]: Enters selection
a When you input a 2-digit code by using the
numeral input switches, the corresponding
item is directly selected. Accordingly, you
may enter the selection by using [F6].
3. Information displayed on "Abnormality Record"
screen
On "Electrical Sys Abnormality Record" screen,
the following information is displayed.
30-102
(a) Occurrence order of abnormalities from latest
one/ Total number of records
(b): Failure code
(c): Detail of failure
(d): Number of occurrences (displayable range:
0 to 65,535 times)
(e): Service meter reading at the first occurrence
(f): Service meter reading at the last occurrence
[F1]: Move to next page (screen) (This
function key is available when more than 1
page is needed for display.)
[F2] Return to previous page (screen) (This
function key is available when more than 1
page is needed for display.)
[F3]: Moves selection downward
[F4]: Moves selection upward
[F5]: Returns to "Abnormality Record" screen
a If no abnormality is recorded, "No Error" is
displayed.
a On the electrical systems abnormality record
screen, up to 20 cases currently stored are
displayed.
If the number of abnormality records
increases to 21 or beyond, the latest
occurrence code is displayed and the oldest
one is deleted.
a If the number of occurrence is 1 (first
occurrence), the service meter reading at the
first occurrence and that at the last
occurrence are the same.
a If [E] is displayed on the left of a failure code,
the abnormality is still occurring or correction
of it is not confirmed.
a For all of the failure codes that the machine
monitor can record, see the failure code list.
a If the characters in the failure are many, the
character strings display is scrolled.
4. Clearing abnormality record
1) While the "Electrical Sys Abnormality
Record" screen is displayed, perform the
following operation by using the numeral
input switches.
PC88MR-10