LG · Dishwasher Minor

CL — Child lock / control lock active

CL is not a fault — it indicates the front-panel buttons are locked. The door and POWER button still work; cycle changes are blocked.

Keep using it?
Yes — fix when convenient
DIY difficulty
Easy
Verified against
lg.com ↗

How to fix it

  1. Locate the two buttons labeled for unlock — commonly Rinse + Spray, or Half Load + Energy Saver depending on model.
  2. Press and hold both buttons simultaneously for 3 seconds; CL should clear with a tone.
  3. If the combo doesn't work, consult the model's user manual — combos vary.
  4. Wipe the control panel and verify no button is sticking.
  5. If buttons remain unresponsive after CL clears, replace the UI / display board.

Why it happens

Typical signs: CL shown in the display · Buttons do not respond when pressed · Power and door still work normally

  • Child lock intentionally enabled User or family member activated the lock.
  • Unintended activation Cleaning the panel or stacking items on top brushed the lock combo.
  • Stuck button Sticky residue holds a button engaged and triggers the lock combination.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • LG dishwasher UI control board Common replacement
    Amazon →

Related repair guides

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More LG dishwasher codes

2H 2H — Delay-start indicator (2 hours remaining) AE AE — Leak Detected (Aqua Error) bE bE — Bubble / oversuds error CE CE — Motor / communication error CR CR — Test / calibration mode E1 E1 — Leak detected (newer display label)

All LG codes → All dishwasher codes →

Frequently asked questions

What does the CL code mean on a LG dishwasher?

CL is not a fault — it indicates the front-panel buttons are locked. The door and POWER button still work; cycle changes are blocked.

What causes the CL code on a LG dishwasher?

Child lock intentionally enabled: User or family member activated the lock. Unintended activation: Cleaning the panel or stacking items on top brushed the lock combo. Stuck button: Sticky residue holds a button engaged and triggers the lock combination.

Is it safe to keep using a LG dishwasher with a CL error?

Yes — fix when convenient. This is rated a minor-severity fault.

How do I fix CL on a LG dishwasher?

Locate the two buttons labeled for unlock — commonly Rinse + Spray, or Half Load + Energy Saver depending on model. Press and hold both buttons simultaneously for 3 seconds; CL should clear with a tone. If the combo doesn't work, consult the model's user manual — combos vary.

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.