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 “Air Cleaner Filter Is Clogged” Is Displayed – Troubleshoot



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“Warning (AIR CLEANER FILTER IS CLOGGED) Is Abnormal”



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“Check For Open Circuit And +B Short Of Clogged Air Filter Switch”



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Schematic Of The Air Filter Switch ( 312C)



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Schematic Of The Air Filter Switch ( 315C)



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Schematic Of The Air Filter Switch ( 321C)



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Schematic Of The Air Filter Switch ( 319C, 320C, 320C LRR, 322C, 325C, M325C MH, and 330C)



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Schematic Of The Air Filter Switch ( 318C)



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“Check For Ground Short Of Clogged Air Filter Switch”



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