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3.31 Other trouble
3.31.4
Electronic control system
If an error code appears on the machine monitor display (nor-
mally displays TIME), follow the countermeasure table as shown
below in the self-diagnosis.
Machine monitor trouble display
Monitor display
E01
E02
E03
E05
E20
CALL
In the case where the monitor will not display error codes
and work equipment operation and swing operation cannot
be carried out.
(*) For detail of operating the pump override switch and the
swing override switch, refer to "Switches (3-42)".
3-180
Error mode
Network system error
TVC valve system error
Swing brake system error
Governor system error
Travel system error
Error indicating that operation can-
not be continued
Countermeasure
Place the machine in a safe posture, then have it
inspected immediately by your KOMATSU distrib-
utor.
If the pump override switch is set to the ON posi-
tion, operation can be carried out. However, imme-
diately have the PC-EPC valve system inspected
by your KOMATSU distributor. (*)
Turn the swing override switch ON to cancel the
brake.
When applying the swing brake, operate the swing
lock manually.Depending on the cause of the fail-
ure, it may be impossible to release the brake. In
any case, have the system inspected immediately
by your KOMATSU distributor. (*)
Governor will not execute the control function.
Manually operate the governor-lever. To fix the
governor lever at the full stroke position, use the
retaining bolt holes on bracket. In this case, imme-
diately have the governor system inspected by
your KOMATSU distributor.
If the travel override switch is set to ON position,
operation can be carried out. However, immedi-
ately have the TVC valve system inspected by
your KOMATSU distributor.
Place the machine in a safe posture, then have it
inspected immediately by your KOMATSU distrib-
utor.
Have the machine inspected immediately by your
KOMATSU distributor.
Operation
PW180-7E0 – VEAM400102
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