e1
Moderate
LG · Dishwashers
Overfill/leak protection error - the flow switch has detected overfilling or a leak in the dishwasher base
Quick Answer
Error code E1 on your LG Dishwashers means: Overfill/leak protection error - the flow switch has detected overfilling or a leak in the dishwasher base. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the dishwasher and disconnect power at the circuit breaker
2
Remove the bottom kick plate and check for standing water in the base pan; soak up any water with towels
3
Inspect all internal hoses and connections for leaks
4
Check the float switch for proper operation; it should move freely up and down
5
Ensure the dishwasher is level and the door gasket is clean and sealing properly
6
If no leak is found and the float switch moves freely, the float sensor or control board may be faulty and need replacement
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Float switch
Float sensor
Door gasket
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