LG Washer Door Won't Latch — 4 Causes & How to Fix It

You push the washer door closed, hear a weak click—or no click at all—and the cycle won't start. Maybe the door bounces back open, or the control panel just blinks at you like it's waiting for something. One frustrated owner of an LG WM3370HVA put it bluntly: "I originally called a local repair company. After waiting a week they told me they were unable to get the part and that it was back ordered!! I asked them to give me the part numbers...at which point he said...'you won't find them'!" Turns out the part was readily available, and the fix took about 20 minutes.

When your LG washer door won't latch, you're usually dealing with one of four problems—and the most common culprit is a broken door strike. Here's how to diagnose which one you've got.

Quick Symptom Check

• Door won't stay closed: You push it shut, but it pops back open or doesn't engage at all
• No click sound: The normal latching click is absent or sounds weak
• Cycle won't start: Control panel shows "dE" error or just won't begin the wash
• Visible damage: The metal strike plate on the door frame is cracked, bent, or missing pieces
• Lock assembly spins freely: The door lock mechanism itself turns without resistance

Cause #1: Broken Door Strike (Most Likely — 65% of Cases)

The door strike—that metal piece mounted on the washer frame that the door lock grabs onto—is made of plastic-coated metal that takes a beating every single cycle. After a few years and hundreds of door slams, it cracks or breaks off completely.

How to diagnose: Open the door and look at the metal strike plate on the right side of the door opening (not on the door itself, but on the washer frame). You're looking for cracks, missing chunks, or a strike that moves when you wiggle it. On models like the WM3050CW, WM3170CW, and WM3500CW, the strike is held by two screws and frequently breaks at the mounting points.

The fix: Replace the strike with part MFG63099101. You'll need a Phillips screwdriver and about 20 minutes. One DIYer reported: "I bought a new strike and lock for the washer. I also purchased a spreader tool for the metal ring around the gasket. It took about 20m to take everything apart and put it back together. Very simple repair."

Cost: $9.99 for the strike, no service call needed.

Cause #2: Worn Door Lock Assembly

If the strike looks fine but the door still won't latch, the lock assembly itself might be worn out. This is the motorized mechanism inside the door that extends a hook to grab the strike.

How to diagnose: Close the door and listen. If you hear the lock motor trying to engage but nothing happens, or if the door closes but immediately unlatches, the lock assembly is likely shot. Try manually pulling on the closed door—if it opens easily without pressing any buttons, the lock isn't holding.

The fix: The lock assembly and strike often fail together, so many techs replace both at once. If you're already in there replacing the strike, consider doing the lock too—it'll save you from opening everything up again in six months.

Cost: $35–$75 for the lock assembly, depending on your model.

Cause #3: Misaligned Door or Sagging Hinges

Sometimes the door itself has shifted so the lock and strike don't line up anymore. This happens when the washer isn't level or when door hinges wear out.

How to diagnose: Close the door slowly and watch where the lock mechanism meets the strike. Does it line up perfectly, or does one piece ride higher or lower than the other? Check if the door sags when you open it fully—worn hinges on models like the WM3670HVA will cause visible drooping.

The fix: First, check if your washer is level front-to-back and side-to-side. Adjust the leveling feet if needed. If the hinges are worn, you'll need to replace them—which is more involved and might warrant calling a pro.

Cost: Free if it's just leveling; $50–$120 for hinge replacement parts.

Cause #4: Wiring or Control Board Issue

Least common, but if the strike is intact, the door closes firmly, and you still get a door error, you might have an electrical problem.

How to diagnose: Check the wire harness that connects to the door lock assembly. Look for loose connections, pinched wires, or corrosion on the connector pins. If everything looks good but the lock still doesn't engage, the main control board might not be sending power to the lock.

The fix: Reconnect any loose wiring. If the wiring is fine, you're looking at control board diagnostics, which honestly gets expensive fast.

Cost: $150–$350 for control board replacement plus labor.

When to Call a Pro

Replacing the door strike is genuinely DIY-friendly—it's two screws and zero electrical work. But call a tech if you're seeing error codes beyond just "dE" (like "LE" or "OE" codes along with the door issue), or if you've replaced both the strike and lock assembly and the door still won't latch. That points to control board problems or a frame issue that requires diagnosis tools.

Frequently Asked Questions

Will my LG washer work if I just hold the door closed?

No. The washer's safety interlock prevents the drum from spinning unless the door lock mechanism is fully engaged. You can't bypass it by holding the door or wedging something against it—the machine knows.

Do I need to replace the strike and lock together?

Not always, but it's often smart to do both. If your strike broke, it means your lock has been slamming into a damaged piece for weeks or months, which wears it out faster. Replacing both at once prevents a callback repair six months later.

Why does the strike break so often on LG washers?

It's a combination of the strike's plastic coating cracking from repeated impacts and the fact that front-load washer doors get slammed harder than most people realize. The WM3370, WM3770, and WM3670 series seem particularly prone to this—likely because they're popular models that see heavy use.