Kenmore 402 model front-load washer error codes:

Reference Model: None

These error code explanations can help you diagnose a problem with your Kenmore front-load washer with a model number that starts with 402.


Code Meaning Possible Cause Possible Parts
nd Won't drain Washer fails to drain within 15 minutes. Check the washer drain path for a clog or restriction. Clear the large item filter in the drain pump. If the drain pump is defective or damaged, replace it Drain pump
LO Door unlock error The door fails to unlock after 7 attempts. Unplug the washer. You will usually need to force the door open. This often damages the door lock/switch assembly. Replace that assembly if it's damaged or defective Door lock/switch assembly
nF Water fill problem The washer fills for 40 minutes or the water level doesn't change after 6 minutes. Check the water supply faucets behind the washer to make sure that they are fully open. Check the water fill lines for kinks or freezing (in the winter). Check the water inlet fill valves. If the valves are defective, replace the water inlet valve assembly Water Inlet Valve Assembly
FL Door lock error Door fails to lock after 7 attempts. Unplug the washer and check the wiring harness connections to the door lock assembly. If the wiring connections are okay, then the door lock assembly will usually need to be replaced Door lock/switch assembly
LE Low water level during the cycle Water level drops below the reset level during the wash or rinse portion of the cycle. Check for leaks in the washer tub and connected components. Check the installation of the drain system. Water can siphon out of the washer if it's not installed properly Outer tub, Hoses and components attached to the tub
lE Water level sensor failure Unplug the washer. Check the wire harness connections between the water level sensor and the main control board. If no problems are found, then the water level pressure sensor will usually need to be replaced Water level sensor
OE Water overflow If the washer is overfilled, unplug it to see if it continues to fill while unplugged. If it does, replace the water inlet valve assembly because the inlet water valves aren't shutting off water flow. If the washer isn't overfilled, replace the water level sensor because it isn't accurately detecting water level Water inlet valve assembly, Water level sensor
dc Unbalanced load The load is detected as unbalanced during the final spin. The basket will not spin over 150 rpm when this code is displayed. Cancel the cycle or let it end. Adjust the load and see if the washer will spin properly. If not, then inspect the suspension system in the cabinet. Replace any defective parts Suspension system components
E2 Stuck button A button on the control panel is stuck. Try to free the button. Press down directly on top of all keys on the control panel. If that doesn't free the stuck key, press down slightly off-center on all keys. If you can't free the button, replace the user interface control board (also called the Sub-PCB control board) User interface control board (Sub-PCB control board)
ds Door is open while attempting to lock it The control detects that the washer door is open while it's being locked. Use the diagnostic test mode to check the door lock/switch assembly. If that component is defective, replace it Door lock/switch assembly
tE Temperature is out of range high or low Use the diagnostic test mode to check the water temperature that the control board is sensing. If the actual temperature is significantly different, then the temperature sensor (also called the thermistor) will need to be replaced Temperature Sensor (thermistor)
3E No signal from the drive motor tachometer Unplug the washer. Check the wire harness connections between the drive motor and the main control board. Reconnect any loose wires or replace the wire harness if damaged. If the wire connections are okay, replace the motor tachometer. If the problem continues, replace the drive motor Drive motor tachometer, drive motor, wire harness
Hr Heater relay failure The heater relay is a component on the Main PCB control board. Unplug the washer for 5 minutes to reset the Main PCB control board. Plug the washer back in. If the code returns, replace the Main PCB control board Main PCB control board
nF1 Hot and cold water connections are reversed Connect the hot and cold water fill hoses correctly
2E Internal control board failure Unplug the washer for 5 minutes to reset the electronic control board. Plug the washer back in. If the code returns, replace the electronic control board Main PCB control board
Sud Excessive suds Excessive suds are detected during the cycle. The cycle goes into a suds kill routine by filling the tube with water and then tumbling the clothes. If this routine doesn't eliminate the suds, the control displays the Sud code. Use the right amount of high-efficiency (HE) detergent with future loads HE Detergent
AE Communication error between the main control board and the display control board Unplug the washer and check the wire harness connections between the main control board and the display control board. Reconnect any loose wires or replace the wire harness if damaged. If the wire connections are okay, replace the main control board, If the problem continues, replace the display control board Main control board, display control board, wire harness
SF Electronic control board error Unplug the washer for 5 minutes to reset the electronic control board. Plug the washer back in. If the code returns, replace the electronic control board Electronic control board

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