312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control – V2 – Warning “Engine Oil Pressure Is Low” Is Displayed – Troubleshoot



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“Warning Engine Oil Pressure Is Low for 312C Through 322C”



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Warning Engine Oil Pressure Is Low for 321C



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“Warning Engine Oil Pressure Is Low for 325C and M325C MH”



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Warning Engine Oil Pressure Is Low for 330C



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Check For Ground Short Of Engine Oil Pressure Switch



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Check For Open Circuit And Check for +Battery Short Of Engine Oil Pressure Signal



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Diagram for 321C

“Check For Ground Short Of Engine Oil Pressure Signal”



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