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 Coolant Level Is Low” Is Displayed – Troubleshoot

“Warning “Engine Coolant Level Is Low” Indicates Improperly”



Illustration 1 g00871117



Illustration 2 g00871138

“Check For Open Circuit And +B Short Of Engine Coolant Level Switch”



Illustration 3 g00987569

“Check for Ground Short of Engine Coolant Level Switch”



Illustration 4 g00987583

Schematic Of The Coolant Level Switch ( 312C and 315C)



Illustration 5 g00777102

Schematic Of The Coolant Level Switch ( 318C)



Illustration 6 g01008731

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



Illustration 7 g00692998

Schematic Of The Coolant Level Switch ( 321C)



Illustration 8 g00987573