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LG Dishwasher Lights Flashing or Blinking

LDS4821ST

The part(s) or condition(s) listed below for the symptom Dishwasher lights flashing or blinking are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Dishwasher lights flashing or blinking

Cause 1Heating Element

The heating element heats up the water to operating temperature. If the water doesn’t reach the proper temperature after a set amount of time, a light on the control panel might start flashing. To determine if the heating element has burned out, use a multimeter to test it for continuity. If the heating element does not have continuity, replace it.

Part Testing
Parts
Heating Element for your LGDishwasher
Heating Element - Part # 1582252 Mfg Part # 5301DD1001G

Dishwasher heating element with thermistor. If the dishwasher isn't drying dishes properly, the heating element may be defective.

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Cause 2Check Fault Codes

If the dishwasher lights are flashing or blinking, and there is an error code in the display window, consult the wiring diagram, tech sheet, and dishwasher manual to find out more information about the error.