8e374334_rlpool_Cabrio_Diagnostic_Modes__Cabrio_Operation
[Two-Digit Code] C4 [Next Step] If no water flows through the detergent cup go to manual diagnostic mode: Water valves [Cabrio Operation] 
The Cabrio Washer's hot and cold (Warm Water) primary water valves open as well as the detergent water valve for 10 seconds
Whirlpool Cabrio Diagnostic Modes
Cabrio Operation