TNV Operation Manual 99TROUBLESHOOTINGTNV Operation ManualIf a problem occurs, stop the engine immediately.Refer to the SYMPTOM column in theTroubleshooting Chart to identify the problem.TROUBLESHOOTING CHARTCAUTION0000028enIf any indicator fails to illuminate whenthe key switch is in the ON position, seeyour authorized Yanmar industrialengine dealer or distributor for servicebefore operating the engine.CAUTION0000029enIf any indicator illuminates duringengine operation stop the engineimmediately. Determine the cause andrepair the problem before you continueto operate the engine.SYMPTOM PROBABLE CAUSE ACTION REFER TOIndicator Turns On - Engine RunningEngine oil pressure indicator • Low level of engine oil• Too high an oil level• Check and adjust oil levelas necessaryChecking Engine Oil onpage 38• Clogged engine oil filter • Replace engine oil filter Replace Engine Oil andEngine Oil Filter on page 75
