Komatsu PC88MR-10 Shop Manual page 451

Abnormality record (mechanical
systems)
(PC88MR-Q1S2-100-K-00-A)
The machine monitor logs the past and currently
occurring failures classifying them into the
mechanical system abnormality and electrical
system abnormality.
To check the mechanical system abnormality record,
perform the following procedures.
a For the failure code list, see "Chapter 40 Failure
code list for troubleshooting".
1. Selecting a menu
Select "Abnormality Record" on "Service Menu"
screen.
2. Selecting a sub menu
After the "Abnormality Record" screen is
displayed, select "Mechanical 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 "Mechanical Sys Abnormality Record"
screen, the following information is displayed.
PC88MR-10
30 Testing and adjusting
(a): Occurrence order 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.)
[F1]: Return to previous page (screen) (This
function key is available when more than 1
page is needed for display.)
[F5]: Returns to the "Abnormality Record"
screen.
a If no abnormality is recorded, "No Error" is
displayed.
a In the mechanical systems abnormality
record screen, up to 50 cases currently
stored are displayed.
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.
When the latest service meter reading is
recovered, the value at the recovery time is
displayed, thus the above readings may not
be 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
The contents of an abnormality record of the
mechanical system cannot be deleted.
Electrical system
30-101