bE
LG Dishwasher
Severity: MinorWhat Does This Error Mean?
The bE error means one of the buttons on your LG dishwasher's control panel is stuck. A stuck button sends a continuous signal to the control board, which causes the error. This is a minor issue — the machine is safe, but it won't start a new cycle. Often a simple cleaning fixes it.
Affected Models
- LDF5545ST
- LDT5678SS
- LDFN4542S
- LDT7808SS
- Most LG dishwasher models with touch controls
Common Causes
- Food residue or grease buildup under a button causing it to stick
- Moisture or cleaning spray seeping under the control panel buttons
- A button that was accidentally held down too long when the machine was powered on
- Warped or physically damaged control panel after impact or heat exposure
- Control board malfunction falsely detecting a stuck button
How to Fix It
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Press each button on the control panel firmly one at a time.
Sometimes a button is physically stuck in the pressed position. Press and release each one to see if any feel different from the others.
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Wipe the control panel with a dry cloth.
Remove any visible moisture, grease, or food residue from around the buttons. Do not spray cleaning products directly onto the panel — use a barely damp cloth.
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Press Cancel or Power to clear the current error.
After cleaning, press Cancel to clear the bE error code from the display and allow a fresh start.
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Unplug the dishwasher for 5 minutes to perform a full reset.
A power reset can clear bE errors caused by temporary button signal glitches or moisture under the panel.
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After the reset, press each button once gently before starting a cycle.
This confirms all buttons respond normally. If one button feels sticky or fails to respond, the control panel may need replacing.
When to Call a Professional
If cleaning the control panel doesn't resolve the bE error, call a technician. A damaged control panel or faulty control board needs professional replacement. LG support or an appliance technician can diagnose whether it's the panel or the board. Expect repair costs of $80–$200 for a control panel replacement.
Frequently Asked Questions
Can I prevent the bE error from happening again?
Yes — keep the control panel clean and dry. Wipe it down weekly with a dry cloth. Avoid spraying kitchen cleaners near the dishwasher control panel. If you have children who press buttons repeatedly, that can also cause wear over time.
Is the bE error dangerous?
No — it's a minor error. The dishwasher will not run in this state, but it is not a safety hazard. You can take your time troubleshooting without any urgency. There's no risk of water damage or fire from a stuck button.
What if only one button is stuck and the rest work fine?
That usually means the specific button mechanism is worn or has debris under it. Try cleaning around it with a toothpick carefully. If it's physically broken, the entire control panel membrane usually needs replacing as one unit. Individual button repairs are rarely possible on modern dishwashers.