What to Check First
- The upper spray arm has detached.
- The upper spray arm might detach if it isn't properly reassembled after cleaning. Lift the upper spray nozzle's locking part and turn the nut clockwise to detach it. (Reassemble in the reverse order.) Lift the end of the nozzle guide, replace the nozzle, and rotate it to the left until you hear a click.
- Front view of the assembled spray arm.
- Top view of the assembled spray arm.
- Bottom view of the assembled spray arm (with the basket flipped).
- This guide was created for all models, so the images or content may be different from your product.
Why This Can Happen
Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.
Safety and Model-Specific Guidance
Frequently Asked Questions
What should I check first for [LG Dishwasher] Troubleshooting the Upper Spray Arm?
The upper spray arm has detached.
When should I stop troubleshooting and contact LG?
Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.
Does this guidance apply to every LG model?
Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.
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