F
ul
Moderate
Frigidaire · Dishwashers
Door Unlock Failure - Door Cannot Be Unlatched
Quick Answer
Error code UL on your Frigidaire Dishwashers means: Door Unlock Failure - Door Cannot Be Unlatched. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Door lock solenoid is stuck in the locked position
  2. Lock mechanism has jammed mechanically
  3. Control board is not sending the unlock signal to the door lock
  4. Power failure occurred while the door was in the locked state during a cycle
How to Fix It
1
Wait 2 minutes after the cycle ends, then try to open the door; the lock may just need time to release
2
Disconnect power for 5 minutes and restore to reset the lock mechanism
3
If the door remains locked, look for a manual release mechanism (consult the service manual for your model)
4
Once open, test the door lock solenoid for proper operation with a multimeter
5
Replace the door lock assembly if the solenoid or mechanism is faulty
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Door lock assembly (model-specific)
Door latch mechanism
Related Error Codes
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