16. TROUBLESHOOTING 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 (*) For detail of operating the pump override switch and the swing override switch, refer to 11.3 “SWITCHES” PC450-ENG 2-98 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 system error Set the swing override switch to the ON position to 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 operation cannot be continued Place the machine in a safe posture, then have it inspected immediately by your Komatsu distributor. In the case where the monitor will not display error codes and work equipment operation and swing operation cannot be carried out. Carry out inspection immediately