[LG DIOS dishwasher] The Tub Clean icon illuminates.

When the dishwasher has operated for 30 cycles, the Tub Clean icon will flash during the next washing.
Use the Steam Tub Clean or the Tub Clean function.
Using the Steam Tub Clean or the Tub Clean function allows you to remove contaminants, odors, white stains, and other residue which may remain in the dishwasher.

Try this

Adjustment of dish loading height

? The heights and spaces of racks can be adjusted easily to accommodate large pots as well as small dishes.

After setting up, when the dishwasher has operated for 30 cycles, the Tub Clean icon will flash during the next washing.
Use the Steam Tub Clean or the Tub Clean function to clean the inside of the dishwasher.
The Tub Clean reminder function can be set up at the control window.

How to set up the Tub Clean reminder

Press the Express button for 3 seconds while the power is on to set up or cancel the function.
The Tub Clean icon will not reappear for the next 30 cycles.

Cleaning using citric acid

You can use citric acid/vinegar/special detergent.

① Take all dishes out of the dishwasher.

Fill up the detergent dispenser located inside the door of the dishwasher with a dedicated cleaner or citric acid powder.
Push the lid until a “click” is heard.

③ Close the door of the dishwasher, press the [Power] button, and then press and hold the [Heavy] button for approximately 3 seconds to select the Steam Tub Clean cycle.
The Tub Clean cycle will start when you press the [Start] button and close the door.

Cleaning using vinegar

① Take all dishes out of the dishwasher.

② Place a bowl containing 200 to 300ml of vinegar at the center of the uppermost rack.

③ Close the door of the dishwasher, press the [Power] button, and then press and hold the [Heavy] button for approximately 3 seconds to select the Steam Tub Clean cycle.
The Tub Clean cycle will start when you press the [Start] button and close the door.

This guide was created for all models, so the images or content may be different from your product.