Quick diagnosis
What this code is telling you
Most likely trigger
wrong detergent type
Recommended replacement
No Replacement Part Normally Required
Diagnostic path
4 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
LG identifies bE as a bubble error, often caused by using hand dishwashing liquid or another detergent that creates excessive suds because wrong detergent type. excessive detergent and suds causing leakage or sensing issues can produce the same code, so verify the fault before replacing components.
Possible causes
Check the most likely causes first
- 1
wrong detergent type
Start here when it matches your symptoms.
- 2
excessive detergent
- 3
suds causing leakage or sensing issues
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 adding detergent.
- 2
Check 2
Use only automatic dishwasher detergent intended for the appliance.
- 3
Check 3
Allow excessive suds to dissipate and clean up any leakage.
- 4
Check 4
Restart only after the dishwasher is free of suds.
Recommended next step
Troubleshoot before buying a part
This code does not point to a replacement part as the first action.
Follow the diagnostic sequence above first. Supply problems, maintenance conditions, settings, airflow restrictions, or temporary control states can often trigger this code without a failed component.
If the code returns after the listed checks, use the complete model number and manufacturer documentation before ordering anything.
Common questions
Quick answers for this fault
What should I check first for bE?
Start with wrong detergent type. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Do I need to buy a part for bE?
Usually not as the first step. This code is commonly tied to a setting, supply issue, maintenance condition, airflow restriction, or temporary operating state. Complete the diagnostic checks before considering parts.
When should I stop troubleshooting bE 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.
Manufacturer reference
Verify against the official support source
FixCodeDB summarizes the fault in plain language. For model-specific instructions, confirm the guidance with the manufacturer and your appliance manual.
LG Dishwasher bE Error — LG Support →Was this useful?
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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.
FE indicates an abnormal fill or overfill condition.
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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