LG dishwasher error codes
Did your LG dishwasher stop and show a two-letter code? Many homeowners in the GTA see OE or IE after a cycle, when dishes are still sitting in standing water.
Most OE and IE codes we see are a filter, a hose, or a supply valve — not a new machine. LE, HE, and tE more often need a part. Match the code below, try one safe reset, then book if it repeats.
What to try before you call
Run Cancel & Drain. Clean the filter at the bottom of the tub. Confirm the drain hose has a high loop under the sink. For IE, make sure the supply valve is open and the line is not kinked.
If OE or IE comes back after those checks, the pump or the inlet valve is the visit. If you would like us to take a look, call 416-800-9206. We are happy to help.
Code table
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| OE | Drain problem | Food in the filter, a high loop that is missing, or a jammed drain pump. The machine thinks water is not leaving. | Run Cancel & Drain. Clean the filter. If OE returns, the pump or drain hose needs a technician. |
| LE / CE | Motor / locked rotor | The wash motor cannot turn — debris, a failed motor, or a control glitch after a power blip. | Power off, unplug 10 seconds, restore power, and start a new cycle. If LE returns, the motor or inverter needs diagnosis. |
| HE | Heater fault | Water is not heating, or it overheated. Open heater, bad thermistor, or a control that is not driving the element. | Same 10-second power reset to clear a false HE. If dishes stay cold or HE repeats, the heater circuit is tested on site. |
| FE | Excess water / overflow | The tub overfilled and the drain pump ran as protection. Inlet valve stuck open, or a failed level sensor. | Power reset once. If FE returns, shut the water supply and book service — a stuck valve will flood. |
| E1 | Leak | Install error, wrong detergent, or a drain hose end below the tub that siphons and leaks. | The drain hose outlet must sit above the base (about 10 inches). Replace a cracked hose. Do not keep running an E1. |
| PF | Power failure | The unit saw a power cut and locked the cycle. | Hold any control button about 10 seconds after power is stable, then restart the cycle. |
| tE | Thermal error | Water above about 194°F, or a failed thermistor. | A new thermistor is the usual repair. Stop the cycle; overheating is not a reset-and-ignore code. |
| IE / 1E | Fill / low water | After 10 minutes the tub did not fill. Closed valve, kinked supply, or a failed inlet valve. | Confirm the supply valve is open and the line is not kinked. Test flow into a bucket. Replace the inlet valve if flow is good and IE remains. |
When to call
Frequently asked questions
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