LG Dishwasher CL: Child Lock Active

Quick Answer

CL on an LG dishwasher is a status indicator, not a fault code. The control panel has been locked to prevent accidental button presses, typically by a child pressing the Start/Pause button for several seconds. To unlock, press and hold Start/Pause for 3 seconds.

I get called out for this one constantly, and it's almost always a toddler or somebody wiping down the panel while the machine's still on. Your dishwasher's fine, honestly. It's doing exactly what it's supposed to do. Zero-cost fix if you know the trick. But if the buttons still won't respond after the hold sequence, you might be looking at a failing touchpad overlay, and that changes the conversation a bit.

LgDishwasherSeverity: low99% DIY Success

Time to Fix

1–2 min

Difficulty

beginner

Parts Cost

—

Tools Needed

None

What Does the CL Code Mean?

Think of CL like a childproof lock on a medicine cabinet. On LG units, this setting sticks around even after you cut power, which is why unplugging it won't fix it. You've got to manually tell the board you want control back. It's one of the only codes where 'nothing is actually broken' is completely true, and the fix takes about four seconds once you know which button to hold.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

CL was enabled intentionally and the method to disable it was forgotten60%

Child or adult accidentally held Start/Pause for 3 seconds40%

Symptoms You May Notice

CL displayed on control panel
None of the buttons respond to presses
Dishwasher will not start
Lock icon visible on display

Can you reset a Lg dishwasher to clear the CL code?

Locate the Start/Pause button on your LG panel. Press it firmly and hold it down for a slow count of three. You will usually hear a chime or see the CL disappear. If the display is frozen, kill the power at the breaker for five minutes to force a logic reset, then try the button sequence again once power returns.

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Frequently Asked Questions

Is CL a serious problem on an LG dishwasher?

Not even a little. Fifteen years of repairs and I've never replaced a single part just because of a CL code. It's a software setting, full stop. Designed to keep little hands from canceling your cycle mid-wash. If you can't get it to clear, nine times out of ten it's because the touch sensor isn't registering your finger properly, not because anything's actually broken inside the machine.

Why won't my LG dishwasher start even though CL is gone?

This is where it gets interesting. If CL cleared but the machine still won't kick on, check the door latch first. LG dishwashers won't start if they think the door isn't fully closed, and they don't always throw a separate code for a bad latch right away. Give the door a firm push until you hear it click. Also worth checking: is there a BE code showing? That means a button is physically stuck, which is a completely different problem from CL.

Will unplugging my LG dishwasher clear the child lock?

Probably not, which surprises a lot of people. CL is stored in the control board's non-volatile memory, meaning it survives power cuts. Had a customer last month who unplugged her unit four times trying to clear it and was absolutely losing her mind. You have to use the button sequence to exit child lock. A five-minute breaker reset might help if the touchpad isn't responding to your press, but the CL itself needs to be manually cleared with the hold sequence.

What if I hold the button for 3 seconds and nothing happens at all?

That's telling you the touchpad might not be reading your press. Try pressing a little more firmly, but don't go nuts, cracked overlays are a pain to deal with. Also try a completely dry finger because moisture can throw off capacitive touch sensors in a big way. Still zero response after a firm, dry three-second hold? Do the five-minute breaker reset and try again. Still nothing? The touchpad assembly might need replacing. Part number ADW73591909 fits several LG models and runs about $45-75 depending on where you source it.

Can child lock turn itself on without anyone touching it?

It can, yeah. Not super common, but I've seen it happen after power surges when the board comes back up in a weird state. Also seen it happen when someone bumps the panel while unloading dishes right after a cycle ends. The threshold is just three seconds of contact, so it doesn't take much. If it's happening repeatedly without anyone near the panel, that's worth digging into because it could mean a touchpad with a stuck sensor that's throwing ghost presses.

My LG shows CL but I've never used child lock. How did this happen?

Super common. Usually it's somebody else in the house who triggered it, or it happened during a kitchen cleaning session. Kids especially love pressing and holding buttons, they're drawn to them. Also happens a lot on units that see a lot of counter-wiping traffic. Someone cleans the kitchen, runs a wet cloth across the panel, holds it a half-second too long. Done. CL is on. The dishwasher didn't malfunction at all, it just got a little too much attention.

Related Lg Dishwasher Error Codes

Code: AELG Dishwasher AE Error Code: Leak Detected Code: BELG Dishwasher BE Error Code: Button Error

Same Fix Works on These Brands

Lg shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience CL Errors

This repair applies to most Lg dishwashers with this error code. Common model numbers include:

LDFN4542D, LDF5545ST, LDFS5788S, LDP6763ST, LDFN3432T, LDFN4542S, LDFN4542W

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026