Samsung WF350ANR/XAA has an error code FL and door will not lock to start cycle

Did you replace the water fill solenoid valve?

change door interlock

check the door lock switch does it lock when you close the door if not than its the door lock

The FL Code indicates that the door "failed to lock". Turn the machine off and then back on again. Restart the cycle and see if it restarts without the "FL" code returning. If the error code returns, there is a problem, which needs to be diagnosed by a Samsung service person.

The "FL" code indicates that the unit failed to lock the door, which would prevent the machine from running. If this happens again, close the door tightly and restart the cycle. If the code reappears, your washer may require service. What is the model number?

The "FL" code indicates that the washer failed to lock the door, which would prevent the machine from running. If this happens again, close the door tightly and restart the cycle.

Your Maytag Neptune Washing Machine displays error codes, also called "help codes," to identify specific problems with your washer. Once you close your Maytag Neptune's door, the machine locks the door, goes through the selected wash cycles and unlocks the door when the laundry is finished. Error codes appear when there are problems with the door, the inflow and drainage of water and the motor.
The "FL" code indicates that the washing machine was unable to lock the door after you closed it. Open and close the door tightly, then restart the washing cycle.
Door lock monitor switch in door lock mechanism unable to communicate to control board the door is locked.
1.Check wire connections in harness leading from machine control board to door lock mechanism.2.Check solenoid and door lock enable switch in door lock mechanism.
3.Replace responsible component.

1. Your Maytag Neptune washing machine displays error codes, also called "help codes," to identify specific problems with your washer. Once you close your Maytag Neptune's door, the machine locks the door, goes through the selected wash cycles and unlocks the door when the laundry is finished. Error codes appear when there are problems with the door, the inflow and drainage of water and the motor.
Do
2. Your Maytag Neptune washer displays the "do" help code when the washing machine is trying to start a cycle, but the door is open or not locked properly. If this message is displayed, close the door securely and restart the washing cycle.
FL
3. The "FL" code indicates that the washing machine was unable to lock the door after you closed it. Open and close the door tightly, then restart the washing cycle.
Sd
4. The "Sd" code indicates that you have added too much detergent to the washing machine and your laundry has too many suds. The machine will stop displaying this code if it has successfully run the suds recovery cycle, which removes the excess suds from the wash load. If the code remains, reduce the amount of detergent in the load. Use less detergent for similar loads of laundry in the future.
PF
5. The "PF" code indicates that a power failure has occurred. Restart the wash cycle. If the code still appears, check that the washing machine is still plugged in to the electrical outlet.
Nd
6. The "nd" code indicates that your Maytag Neptune is not draining as it should. Check that the drain hose isn't kinked and that the stand pipe isn't clogged. If you find either of these problems, fix them before restarting the washing cycle.
LO
7. The "LO" code appears when the washing machine has finished the selected wash cycle, but cannot unlock the door. Verify that the door is closed properly, push the "Off" button, and wait two minutes. The door should unlock and the error code will disappear. If the error code remains, unplug the washing machine, wait two minutes and plug it back into the electrical outlet.
Lr
8. The "Lr" code indicates that the washing machine's motor is not running as it should. Have your Maytag Neptune washing machine serviced by a certified Maytag repair professional.
   

The "FL" error code indicates that the door is not locking. The buzzing sound you hear is most likely the door lock trying to lock the door. It may only be a matter of aligning the door so that it locks properly. Otherwise, you may have a faulty door lock that needs to be replaced.