Komatsu ecot3 PC300-8, Shop Manual

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SEN02626-04 30 Testing and adjusting
34
PC300, 350-8
Abnormality Record (Air-conditioning System/
Heater System)
The machine monitor classifies and records the
abnormalities which occurred in the past or which
are occurring at present into the mechanical sys-
tems, electrical systems, and air-conditioning
abnormalities or heater abnormalities.
To check the air-conditioning abnormality record or
heater abnormality record, perform the following
procedures.
a
All the following figures show the air condi-
tioner specification.
1. Selecting menu
Select “Abnormality Record” on the “Service
Menu” screen.
2. Selecting sub menu
After the “Abnormality Record” screen is dis-
played, select “Air-conditioning System” or
“Heater System” with the function switches or
numeral input switches.
q
[F3]: Move to lower item
q
[F4]: Move to upper item
q
[F5]: Return to service menu screen
q
[F6]: Confirm selection
a
You may enter a 2-digit code with the
numeral input switches to select the
record of that code and confirm it with
[F6].
3. Information displayed on “abnormality record”
screen
On the “Air-conditioning System” or “Heater
System” screen, the following information is
displayed.
(a): System/Component name
(b): Number of occurrence time
(c): Condition (Normal or abnormal)
q
[F2]: Reset abnormality record
q
[F5]: Return to abnormality record screen
a
If [ E ] is displayed on the left of a condition,
the abnormality is still occurring or reset-
ting of it has not been confirmed.
a
If CAN disconnection is displayed in Com-
munication condition, communication can-
not be carried out normally. Accordingly,
the conditions of other items are turned
OFF.
4. Resetting abnormality record
While the “abnormality record” screen is dis-
played, press [F2], and the number of occur-
rence time of abnormality is reset. If it is
confirmed at this time that the abnormality has
been reset, the display changes to Normal.
a
Heater specification
In the heater specification, the display of “Air-
conditioning” is replaced with “Heater” and the
items which are not related to the heater are
not displayed.
a
Heaterless specification
In the heaterless specification, the abnormality
record menu and screen are not displayed.