LG Dishwasher E1 error code
Dishwasher
LG dishwasher error code E1 means: Leak detected (same family as AE) — water reached the float switch in the base pan. Some displays show this as AE. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve E1.
Safe to keep using?
Stop using
No immediate safety hazard detected, but monitor during use.
- • Unplug the appliance before inspection.
- • Turn off the water supply before disconnecting hoses.
- • Do not continue using the appliance until the cause is identified.
Likely causes
Many codes resolve with cleaning, resetting, or reconnecting.
Check: Power-cycle the appliance and check for obvious blockages or loose connections.
Est. cost: $0–$0
Wear or electrical failure of an internal part.
Check: If basic checks fail, the faulty component likely needs replacement.
Est. cost: $0–$75
What it means
Leak detected (same family as AE) — water reached the float switch in the base pan.
How to fix it
- Unplug the dishwasher or turn off power at the breaker before inspecting any components.
- Reset LG E1: leave power off for 5 minutes, restore power, then restart. Confirm whether E1 returns.
- Check the most common cause for E1: Leak detected (same family as AE) — water reached the float switch in the base pan.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
- If a reset and basic checks don't clear the code, the fix often requires a replacement part (see recommended parts below).
- Reassemble, restore power, and run a test cycle. If E1 returns, the faulty component likely needs replacement.
Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.
FAQ
What does E1 error code mean on a LG dishwasher?
Leak detected (same family as AE) — water reached the float switch in the base pan.
What does LG E1 mean?
Leak detected (same family as AE) — water reached the float switch in the base pan.
How do I reset LG dishwasher E1?
Unplug the dishwasher or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored E1 after a glitch, but the code will return if the underlying fault is still present.
What part do I need for LG E1?
Often yes — error E1 frequently points to a failed component. Check the recommended parts below for direct replacements.
Can I fix LG error E1 myself?
Many E1 errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.
Do I need a replacement part for E1?
Often yes — error E1 frequently points to a failed component. Check the recommended parts below for direct replacements.
Other LG Dishwasher codes
Prevent this problem next time
- Follow manufacturer maintenance schedule
- Address small issues before they worsen
Sources
Manufacturer meaning
Leak detected (same family as AE) — water reached the float switch in the base pan.
FixApplianceCode guidance
Start with basic checks for LG E1 before ordering parts.
Source type: Part database
Source: ModelPartFinder + FixApplianceCode editorial
Last reviewed: 2026-08-24
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
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