I ran into a situation where my Kenmore Elite dishwasher (model 665 series) showed a red “LOCKED” light, and I couldn’t start anything. Buttons wouldn’t respond, and resetting power didn’t seem to help. If you’re stuck with the same issue, here’s how to unlock it quickly without calling a technician.
Quick Answer
To unlock a Kenmore dishwasher, press and hold the correct control button (often “Top Rack Only” or “Sani Rinse”) for 3–4 seconds until the lock light turns off.
Step-by-Step: Unlock Kenmore Dishwasher Control Lock
Step 1: Try the “Top Rack Only” Button
This is the most common fix.
- Close the dishwasher door
- Press and hold Top Rack Only for 3–4 seconds
- Wait for the red LOCKED light to flash and turn off
👉 This works on most Kenmore Elite 665 models.
Step 2: Try Alternative Buttons (Model Variations)
Different models use different buttons.
Try holding one of these for 3–4 seconds:
- Sani Rinse / Sani Wash
- Hi Temp Wash
- No Heat Dry / Air Dry
👉 Many users report success with Sani Rinse or No Heat Dry.
Step 3: Reset Power (If Buttons Don’t Work)
If the panel is unresponsive:
- Turn off the dishwasher at the circuit breaker
- Wait 5–30 minutes
- Turn power back on
👉 This resets the control board and may clear the lock.
Step 4: Wake the Control Panel
Sometimes the panel is in sleep mode.
- Open and close the door
- Press Start/Resume or Cancel/Drain
- Then try unlocking again
👉 The system must be “awake” to accept commands.
Step 5: Last Resort - Control Board Reset
If nothing works:
- Disconnect power
- Open the door panel
- Unplug and reconnect the control board
⚠️ Only do this if you’re comfortable with basic repairs.
Extra Tips and Best Practices
- Always check your model number for exact button combos
- Keep the control panel dry (moisture can trigger lock issues)
- Avoid pressing multiple buttons randomly
Common Mistakes to Avoid
- Holding the wrong button (each model differs)
- Not holding long enough (must be 3–4 seconds)
- Forgetting to close the door before unlocking
- Assuming the dishwasher is broken
FAQ
Why is the red lock light on my dishwasher?
It means Control Lock mode is activated, preventing accidental button presses.
Why won’t my dishwasher start?
Because the control panel is locked. You must disable the lock first.
What if none of the buttons work?
Try a power reset or check for control panel issues.
Conclusion
If your Kenmore dishwasher shows a red lock light, don’t panic. It’s usually just the control lock feature, not a fault. Hold the correct button for a few seconds, and you’ll unlock it instantly. Only move to deeper fixes if basic steps fail.
Useful References
- https://www.searspartsdirect.com/diy/symptom/dishwasher-repair/1234581/won-t-start/dsh
- https://www.repairclinic.com/RepairHelp/Dishwasher-Repair-Help
- https://www.familyhandyman.com/project/how-to-repair-a-dishwasher/
