Kenmore Washer Error Code nF

The nF code on a Kenmore washer stands for No Fill or slow fill. It means the washer did not detect enough incoming water within the expected time period during a cycle. The machine stops to alert you so that a cycle does not run without the correct water level. The issue can originate from the water supply side or from internal components like the inlet valve or water level sensor.

You should not attempt to run a wash cycle while the nF code is active. The washer halts the cycle specifically because it cannot confirm proper water fill, and running without adequate water can put unnecessary stress on the pump and motor. Resolve the fill issue before resuming use.

Performing a reset, such as unplugging the washer for a minute and restarting, may clear the displayed code temporarily. However, if the underlying fill issue has not been corrected, the nF code will return as soon as the washer attempts to fill again. A reset is useful for confirming a one-time glitch but is not a fix for a mechanical or electrical fault in the fill system.

Start by confirming that both the hot and cold water supply valves behind the washer are fully open. Check the inlet hoses for kinks or tight bends. Next, turn off the water supply, disconnect the hoses, and inspect the small mesh screens inside the inlet valve ports for sediment buildup. If the supply side checks out, the inlet valve solenoid or water level sensor may need to be tested and potentially replaced.

If the problem is a closed valve or a kinked hose, there is no parts cost involved. Cleaning clogged inlet screens is also free if you do it yourself. If the water inlet valve needs to be replaced, parts typically range from $25 to $75 depending on the model. A water level sensor or pressure switch generally runs $15 to $50 in parts. Adding a service call and labor, total repair costs can range from $100 to $200 or more.