LG Dishwasher Error Codes (What They Mean + Fixes)

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LG dishwasher showing an error code? Use this guide to identify the code, what it usually means, and the safest fixes you can try before calling service.

Quick note: Error meanings can vary slightly by model/year. If you share your model number later, I can tailor this.

Common LG Dishwasher Error Codes

IE — Inlet Error (Not Filling / Filling Too Slowly)

What it usually means

  • Not enough water coming into the dishwasher within the expected time.

Try this

  1. Check the water tap/valve under the sink is fully open.
  2. Inspect the inlet hose for kinks or crushing.
  3. Clean the inlet filter screen (where the hose connects to the dishwasher).
  4. Confirm household water pressure is normal (other taps flow strongly).

Call service if

  • You see leaks, the inlet valve area is wet, or the error returns immediately after cleaning.

OE — Drain Error (Not Draining)

What it usually means

  • Water isn’t draining out fast enough.

Try this

  1. Cancel the cycle and run a Drain/Cancel function if your model has it.
  2. Check the sink/disposer isn’t clogged.
  3. Inspect the drain hose for kinks and ensure it has a proper high loop.
  4. Remove and clean the filter(s) at the bottom of the tub.
  5. Check the drain pump area for debris (glass, labels, food).

Call service if

  • You hear the pump humming but water doesn’t move (possible pump failure).

AE / E1 — Leak Detected (Water in Base)

What it usually means

  • A leak or overflow triggered the anti-flood float sensor.

Try this

  1. Turn off power at the switch/breaker.
  2. Turn off the water supply.
  3. If safe, pull the unit slightly and check for water under/around it.
  4. Let it dry out for 24–48 hours (fan/airflow helps), then retry.

Call service if

  • The error returns quickly (there’s likely an active leak).

HE — Heating Error

What it usually means

  • Water isn’t heating as expected (heater, thermistor, or control issue).

Try this

  1. Verify hot water supply to the kitchen is working.
  2. Run a hot tap at the sink for 30 seconds before starting a cycle (helps some installs).
  3. Clean filters (restricted flow can cause heating faults).

Call service if

  • HE appears repeatedly (heating circuits are not a DIY fix).

FE — Fill Error (Overfilling)

What it usually means

  • Water level is too high.

Try this

  1. Turn off water supply and power.
  2. Check for excessive suds (wrong detergent can cause false fill/foam issues).
  3. Restart only once after ensuring correct detergent and no foaming.

Call service if

  • It continues to overfill or you see water pooling.

LE — Motor Error

What it usually means

  • Wash motor problem or obstruction.

Try this

  1. Power cycle (off 5 minutes).
  2. Check spray arms rotate freely and aren’t blocked by tall dishes.
  3. Clean filters thoroughly.

Call service if

  • LE returns (motor/control diagnosis required).

How to Clear an LG Dishwasher Error Code

  1. Press Power to turn off.
  2. Turn off power at the wall (or breaker) for 5 minutes.
  3. Restore power and run a quick rinse cycle.

If the error returns immediately, it’s usually not a “glitch” — it’s detecting a real condition (fill/drain/leak/heat).

When to Stop and Call Service

  • AE/E1 (leak) persists after drying out
  • Any burning smell, tripped breaker, or visible wiring damage
  • Repeated HE/LE/FE after basic checks
  • Water is not draining and you’ve cleared hose + filters

FAQ

Why does my LG dishwasher show OE even though the sink drains fine?

Because the dishwasher’s drain path can still be blocked: filter area, pump housing, drain hose kink, or a partial clog at the hose connection.

Can the wrong detergent cause error codes?

Yes. Excess foam can interfere with sensors and drainage, sometimes triggering fill/drain related errors.

Should I reset it repeatedly?

No — repeated resets without fixing the cause can worsen leaks/overfills.

Related Guides

  • LG Washing Machine Error Codes (Complete Guide)
  • Samsung Washing Machine Error Codes (Complete Guide)
  • Bosch Washing Machine Error Codes (Complete Guide)

More LG appliance error code guides

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