Manual for LDFN343

Manual for LDFN343

Brand: LG logo LG

Category: Dishwasher

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 6:59 p.m.

Warranty Information

LG provides a limited warranty on your dishwasher for up to 10 years on the main control board/racks and tub, and lifetime on the stainless steel door liner and tub.

  1. Load dishes, ensuring they are dishwasher-safe and scraped free of excess food. Place deep-bottomed items at an angle for better drying.
  2. Measure and add detergent to the dispenser.
  3. Close the door.
  4. Turn on the dishwasher by pressing the Power button.
  5. Check and add rinse aid if the indicator is low.
  6. Select the desired cycle and options.
  7. Operate the dishwasher by pressing the Start button and closing the door within four seconds, or close the door first and then press Start.
  8. The dishwasher will chime and display "End" when complete. To save energy, press and hold High Temp to automatically turn off the End display.

Troubleshooting and error codes

Error Code Possible Cause & Solution
IE Water inlet problem. Check for a clogged, kinked or frozen water inlet hose. Check water supply.
DE Drainage Problem. Check for a clogged, kinked or frozen water drain hose. Air gap or disposal is clogged. Clean air gap or disposal. Filters are clogged. Clean filters.
bE Oversudsing caused by improper detergent, such as liquid dish soap. Do not use hand dishwashing liquids. Only use detergents which are designed for use in automatic dishwashers. To remove detergent residue in the tub, pour approximately 4 oz 8 oz (100 ml ~ 200 ml) of milk into a shallow bowl, place it in the upper rack and then run the appliance on the Auto cycle.
RE Failure to level dishwasher. Make sure that the appliance is properly leveled.
FE Water leakage. Turn off the water supply to the dishwasher and call an LG Electronics Customer Information Center at 1-800-243-0000 (U.S.A.) or 1-888-542-2623 (Canada). The dishwasher makes an alert sound for 10 seconds, and runs the drain pump intermittently. If power is turned off to the machine, the machine powers back on automatically until the AE error is resolved.
HE Excessive Water supplied. Please call an LG Electronics Customer Information Center at 1-800-243-0000 (U.S.A.) 1-888-542-2623 (Canada).
EE Thermistor failure. Please call an LG Electronics Customer Information Center at 1-800-243-0000 (U.S.A.) 1-888-542-2623 (Canada).
LE Motor trouble. Please call an LG Electronics Customer Information Center at 1-800-243-0000 (U.S.A.) 1-888-542-2623 (Canada).
nE Vario motor trouble. Please call an LG Electronics Customer Information Center at 1-800-243-0000 (U.S.A.) 1-888-542-2623 (Canada).
n:#, U:#, d:#,# (# is a number.) Test mode is selected. This is not an error code. This code is used when testing the dishwasher. Power the unit off and on and the code will disappear.
LO, L1, L2, L3, L4 Rinse aid level setting mode is selected. This is not an error code. This code indicates the current rinse aid level. For more information, refer to the Adding Cleaning Agents section.
CL Control Lock is activated. This is not an error code. This code indicates that the control lock is activated. Press and hold Flex Zone and High Temp. buttons simultaneously for three seconds.
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