August 25, 2016

Kenmore front-load washer nF error code

By Lyle Weischwill
Kenmore front-load washer nF error code.
Kenmore front-load washer nF error code.

The nF error code on a Kenmore front-load washer means that the washer isn't filling with water. The solution is sometimes as simple as opening the water supply faucets behind the washer. Frozen water supply lines and hoses in winter also prevent the washer from filling.

If these solutions don’t solve your fill problem, try the additional troubleshooting steps below.

Water supply and clogged valves

Check whether water flows through the fill hoses. First, unplug the washer and shut off the water supply faucets. Then remove the ends of the fill hoses from the back panel of the washer, leaving the other ends of the fill hoses connected to the supply faucets. Hold the loose ends of the fill hoses over a bucket and briefly open the water supply faucets to check the water flow from the hose ends. 

  • If water doesn't flow through a hose, check the fill hose for a clog. Disconnect the fill hose from the supply faucet and pour water through the hose. If the hose is clear, then there is a problem with the water supply going to the faucet. Have a plumber fix this problem.

  • If water flows through the fill hoses, check the inlet screens on the water inlet valves for clogs. Replace the water inlet valve if you find clogged screens -- it's not a good idea to clean the screens, because debris can get into the valve, causing it to leak even when closed and potentially causing a flood in your house.

Wire connections and solenoid coils

If water flows through the fill hoses and the water inlet screens aren't clogged, the problem is inside the washer.

First, check the wire harness connections on the water inlet valves. With the washer still unplugged, remove the top panel. Check the wire harness connections between the water inlet valves and the electronic control board. Reconnect any loose wires or replace the wire harness if damaged.

If the wire connections are okay, use a multimeter to check the resistance of each solenoid coil on the water inlet valves. With the washer still unplugged and the top panel removed, pull the wires off one of the water inlet valve solenoid coils. With the multimeter set to measure resistance, touch one meter probe to each of the 2 leads on the coil. The meter should measure around 1000 ohms of resistance through the coil if it's good.  If any coil measure infinite resistance, replace the water inlet valve.

Other possible problems

If all the solenoid coils are okay, and you find no other problems when troubleshooting, the wire between the electronic control board and the water valves could be broken or the electronic control board could be defective. It's best to have a service technician take over the diagnosis of your fill problem at this point because the technician is trained to  check live voltage at the control board and the water valves to determine the exact cause of the nF error code.

Symptoms for front-load washers

Main causes: garments left in the washer, damaged spin basket, worn outer tub bearing, faulty drive motor, bad electronic control board
Main causes: bad door lock assembly, wiring failure, bad electronic control board, drain system failure, bad water-level pressure switch
Main causes: leaky water supply hoses, clogged drain system, torn door boot, cracked outer tub, overfilling

Repair guides for front-load washers

How to replace the door boot on a front-load washer

If your washer leaks from under the door panel, replace the rubber door boot if it's torn.

Repair difficulty
Time required
 60 minutes or less
How to replace the machine control board in a front-load washer

If the machine control board is completely dead or won't activate the washer components properly, replace it by following these instructions.

Repair difficulty
Time required
 45 minutes or less
How to replace a motor control board on a front-load washer

The motor control board makes sure the motor spins in the right direction and at the right speed. You can install a new motor control board—just follow these 6 steps.

Repair difficulty
Time required
 30 minutes or less

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