How to Fix LG Dishwasher Error L0 – L4

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Error Code: L0 – L4 Difficulty: Easy

Problem: Rinse Aid Level. Indicates current rinse aid dispenser setting (L0=Off, L4=High).

How to Fix L0 – L4 Error

This shows the Rinse Aid dispenser setting level.
L0 is off, L4 is maximum amount.
Adjust this setting if dishes are not drying (increase) or if they feel slimy/rainbow effect (decrease).
Consult manual for the specific button combo to change this level (usually holding Dual Zone + Energy Saver).

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

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