Samsung front-load washer error codes

Samsung

These error code explanations can help you diagnose a problem with your Samsung front-load washer. For repair how-to help, visit the PartsDirect repair help section, which includes repair help for washing machines, other major appliances, lawn and garden equipment, garage door openers, vacuum cleaners and more. Search for your model number to find a complete list of replacement parts for your washer.

Error Code
Condition
DIY advice
nd, 5E

Won't drain

Check/Repair

The washer failed 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 doesn't drain the water when activated, replace it.

How-to help
Possible parts
Drain pump
LO

Door unlock error

Check/Repair

The door fails to unlock after 7 attempts. Unplug the washer and open the door, using force if needed (using force often damages the door lock/switch assembly). Replace the assembly if it's damaged or defective.

Possible parts
Door lock/switch assembly, Electronic control board
nF, 4E

Water fill problem

Check/Repair

The washer fills for 40 minutes or the water level doesn't change after 6 minutes. Make sure the water supply faucets behind the washer are fully open. Check the water fill lines for kinks and freezing. Check the water inlet valves. If the valves are defective, replace the water inlet valve assembly.

How-to help
Possible parts
Water inlet valve assembly
FL

Door lock error

Check/Repair

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 sound, replace the door lock assembly.

Possible parts
Door lock/switch assembly
LE

Low water level

Check/Repair

Water level drops below the reset level during the wash or rinse cycles. 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.

Possible parts
Outer tub, Hoses
lE, 1E

Water level sensor failure

Check/Repair

Unplug the washer. Check the wire harness connections between the water level sensor and the main electronic control board. If the connections are good, replace the water level pressure sensor.

Possible parts
Water level sensor
OE

Water overflow

Check/Repair

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.

Possible parts
Water inlet valve assembly, Water level sensor
dc, UE

Unbalanced load

Check/Repair

The load is detected as unbalanced during the final spin. The basket won't spin over 150 rpm when this code is displayed. Cancel the cycle or let it end. Adjust the load and see if the washer spins properly. If not, inspect the suspension system and replace any defective parts.

How-to help
Possible parts
Suspension system components
E2, bE2

Stuck button

Check/Repair

A button on the control panel is stuck. Try to free the stuck 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 display control board.

Possible parts
Display control board
ds

Door is open during locking

Check/Repair

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 the door lock/switch assembly is defective, replace it.

Possible parts
Door lock/switch assembly
tE, tE1

Water temperature is too high or too low

Check/Repair

Use the diagnostic test mode to determine what water temperature the electronic control board measures. If the actual water temperature is significantly different, replace the the temperature sensor (also called the thermistor).

Possible parts
Temperature sensor (thermistor)
3E

No signal from the drive motor tachometer

Check/Repair

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.

Possible parts
Drive motor tachometer, drive motor, wire harness
Hr

Heater relay failure

Check/Repair

The heater relay is a component on the main electronic control board. Unplug the washer for 5 minutes to reset the electronic control board, and then plug in the washer. If the code returns, replace the electronic control board.

Possible parts
Electronic control board
nF1, 4E2

Hot and cold water connections are reversed

Check/Repair

Connect the hot and cold water fill hoses correctly.

Possible parts
2E

Internal control board failure

Check/Repair

Unplug the washer for 5 minutes to reset the electronic control board, and then plug in the washer. If the code returns, replace the electronic control board.

Possible parts
Electronic control board
Sud, SUd

Excessive suds

Check/Repair

Excessive suds is 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.

Possible parts
HE detergent
AE

Communication error between the main control board and the display control board

Check/Repair

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.

Possible parts
Main control board, display control board, wire harness
SF

Electronic control board error

Check/Repair

Unplug the washer for 5 minutes to reset the electronic control board, and then plug in the washer. If the code returns, replace the electronic control board.

Possible parts
Electronic control board
dE or dE1

Door lock failure

Check/Repair

Unplug the washer and check the wiring harness connections between the door lock assembly and the main control board. Reconnect any loose wires or replace the wire harness if damaged. If the wire connections are okay, replace the door lock assembly. If the problem continues, replace the main control board.

Possible parts
Door lock assembly, main control board, wire harness

Symptoms common to all washers

Choose a symptom to see related washer repairs.

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control board or timer
Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water temperature sensor
Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve assembly
Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspension component failure
Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system
Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interface board
Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board
Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in drain pump
Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lock or lid switch

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