2-101
PC210/240-ENG
16.6.4 ELECTRONIC CONTROL SYSTEM
If an error code appears on the machine monitor display (normally displays TIME), follow the countermeasure
table as shown below in the self-diagnosis.
Machine monitor trouble display
Monitor display Error Mode Countermeasure
EO2 TVC valve system error If the pump override switch is set to the ON position,
operation can be carried out. However, immediately
have the TVC valve system inspected by your
Komatsu distributor. (*)
EO3 Swing brake Set the swing override switch to the ON position to
system error
release the brake. If applying the swing brake, manu-
ally operate the swing brake using the swing lock
switch. In this case, immediately have the swing
brake system inspected by your Komatsu distributor. (*)
EO5 Governor system error Governor will not execute the control function.
Manually operate the governor-lever. To fix the the
governor lever at the full stroke position, use the
retaining bolt holes on bracket. In this case, immedi-
ately have the governor system inspected by your
Komatsu distributor.
CALL Error indicating that Place the machine in a safe posture, then have it
operation cannot inspected immediately by your Komatsu distributor.
be continued
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 11.3 “SWITCHES”
16. TROUBLESHOOTING
To Next Page