What is the fault code E15CA428 for Komatsu?
1 Answers
Komatsu excavator displays E15CA428 on the dashboard, indicating a high voltage fault in the fuel water content sensor. More details are as follows: Possible causes for this issue: The sensor in the water separator cup may have a short circuit or open circuit. Poor connection or broken wires in the wiring harness. Faulty engine control unit. Solutions: Replace the water separator sensor. Tighten the wiring connectors. Replace the engine control unit with a new one. Excavators are high-value fixed assets. To maximize their service life and economic benefits, it is essential to assign dedicated operators, machines, and positions with clear responsibilities. When personnel changes are necessary, proper equipment handover must be conducted. Upon entering the construction site, the operator should first assess the geological conditions and surrounding environment. Ensure there are no obstacles within the excavator's rotation radius to prevent scratches or damage to the equipment.