My LG Dishwasher Is Not Cleaning


A properly working LG dishwasher leaves dishes clean and ready for use. When the machine fails to perform properly, items are left dirty, spotty or with a soap film. The first thought may be to phone for a repairman. This service can cost time and result in a large bill. Before spending the money, try some troubleshooting steps to solve the issue.

Things You'll Need

  • Clean cloth
  • Screwdriver
  • Clean the internal parts of the LS dishwasher. Use a clean wet cloth and wipe down the inside including the racks and the sprayer arms. Remove the upper arm by unscrewing the center bolt. Clean both sides before replacing.

  • Check the water pressure. The LG requires inlet water pressure between 20 to 120 psi. If the water pressure in the line is too low, proper rinsing will not occur.

  • Check the water temperature. The LG performs at optimal levels with 120 degree water. Check the hot water heater for needed adjustment.

  • Use the right detergent. The LG requires detergent designed specifically for dishwashers. Other detergents will leave spots, residue or food on dishes.

  • Set the machine to the proper cycle. The LG offers a variety of cleaning cycles. Select the appropriate cycle for the type of cleaning required.

  • Load the LG properly. An overloaded machine will result in dishes not being cleaned thoroughly.

Tips & Warnings

  • Clean your LG on a regular basis. Detergent film and food may gather around the drain from time and time, resulting in a lower rate of cleaning.
  • If typical troubleshooting methods do not resolve the issue, the machine may be malfunctioning. Contact the manufacturer.

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