Quick diagnosis
What this code is telling you
Most likely trigger
water inlet valve not closing
Recommended replacement
Water Inlet Valve / Level Sensor
Diagnostic path
3 ordered checks
Part fit
Exact model number required
Safety first
Before opening the appliance
Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Read the full safety disclaimerRoot cause
Why the control reported this error
FE indicates an abnormal fill or overfill condition because water inlet valve not closing. water-level sensing problem and control fault can produce the same code, so verify the fault before replacing components.
Possible causes
Check the most likely causes first
- 1
water inlet valve not closing
Start here when it matches your symptoms.
- 2
water-level sensing problem
- 3
control fault
Diagnostic sequence
Work through these checks in order
Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.
- 1
Check 1
Stop the cycle.
- 2
Check 2
If water continues entering, shut off the dishwasher water supply.
- 3
Check 3
Do not resume normal use until the overfill cause is corrected.
Replacement part reference
Water Inlet Valve / Level Sensor
Exact OEM part number
Model number required
Fitment note
The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
Verify the appliance model before ordering.
Manufacturers can use different parts under the same error code across model families and production revisions.
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Common questions
Quick answers for this fault
What should I check first for FE?
Start with water inlet valve not closing. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Does FE always mean Water Inlet Valve / Level Sensor is bad?
No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
When should I stop troubleshooting FE myself?
Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
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Related LG guides
AE or E1 means water has reached the dishwasher base area and activated the leak/float sensing system.
LG identifies bE as a bubble error, often caused by using hand dishwashing liquid or another detergent that creates excessive suds.
IE indicates that the dishwasher is not filling with water as expected.
LE or CE indicates a dishwasher motor-related fault on applicable LG models.
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