Komatsu — Maintenance Caution Lamp

OPERATION Engine Oil Level Caution Lamp The engine oil level caution lamp (2) illuminates to warn the operator that the oil level in the engine oil pan has dropped. During checks before starting (starting switch at the ON position, engine stopped) This monitor lights up if the oil level in the engine oil pan is low. At the same time, “E01” is displayed on the top line of the character display and “COOLANT LOW” on the bottom line. Do not start the engine. Check the oil level in the engine oil pan and add oil. Remark During checks before starting, if the engine is started with the engine oil level caution lamp illuminated, the lamp will stay lit.

Stop the engine; check the oil level in the engine oil pan; and add oil. Battery Electrolyte Level Caution Lamp (if equipped) The battery electrolyte level caution lamp (3) is not used. Maintenance Caution Lamp If the caution monitor lamp illuminates, repair the problem as soon as possible. If the problem is not repaired, a failure will occur. When the time for an oil change is reached, the maintenance caution lamp (4) flashes or illuminates for approximately 30 seconds after completion of the system check when the starting switch is at the ON position. Remark The maintenance caution lamp flashes when there is less than 30 hours to the replacement time.

After the replacement time has passed, it stays on. For details about the items included in the filter and oil replacement, see “Filter, Oil Replacement Time Display” on page 2-12. After replacing the filter or changing the oil, reset the replacement time. For details, see “Resetting Filter, Oil Replacement Time” on page 2-34. 2-22 WA430-6