LG Detergent Dispenser Not Opening or Poor Water Spray

Detergent pod or powder remains in the dispenser at the end of the cycle.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Blocked dispenser door, Weak water spray, Faulty dispenser latch or wax motor, Overloaded front of upper rack

How to Fix / Troubleshooting

Safety first: Turn off power before inspecting the dispenser mechanism.

  • Check for obstructions: Ensure large plates, pans, or utensils are not blocking the detergent dispenser door from opening.
  • Clean dispenser: Wipe the dispenser cup and door to remove caked-on detergent. Ensure the latch moves freely.
  • Verify spray coverage: Clean spray arms and ensure they spin freely so water can reach the dispenser area.
  • Test dispenser: With the inner door panel removed (power off), manually operate the dispenser latch and check the wax motor or solenoid for movement during a test cycle (requires caution and live testing by a qualified person).

If the door does not open during the cycle and no obstruction is present, replace the detergent dispenser assembly.

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Repair Difficulty

Medium 3/5

Required Part

Detergent Dispenser Assembly
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