LG Dishwasher Error E8
⚡ Quick Answer: The LG dishwasher error E8 indicates a potential issue related to the drain pump. Users may experience unusual noises during operation, and the dishwa... ✅ DIY Fixable
What Does Error E8 Mean?
The LG dishwasher error E8 indicates a potential issue related to the drain pump. Users may experience unusual noises during operation, and the dishwasher may fail to drain water properly. If the E8 code appears during or after a wash cycle, it is essential to perform basic checks such as inspecting hoses for kinks and ensuring the water supply is adequate. Persistent issues may require professional diagnosis and repair.
Common Symptoms:
- Dishwasher displays code E8 during or after a wash cycle
- Operation may stop or dishwasher fails to function properly
Possible Causes
- Drain Pump
- Blocked Drain Hose
- Control Board Issue
How to Fix Error E8
DIY Fix Preliminary basic checks
- Turn off the dishwasher and disconnect from power for 1–2 minutes
- Check supply and drain hoses for kinks, obstructions, or improper installation
- Ensure water supply valve is fully open and water pressure is normal
Technician Only Diagnostic inspection by qualified technician
- Connect service diagnostic tools to read internal logs and confirm if E8 is a stored fault number
- Inspect sensor inputs (e.g., water level float switch, pressure sensor) and associated wiring
- Verify control board error history and test/replace suspect components as needed
Parts needed: Diagnostic service tool, Level/flood sensor or pressure switch, Control interface board (if confirmed faulty)
- If the dishwasher continues to display E8 after basic checks
- If there are signs of water leakage or unusual noises
- If the problem recurs after power cycling
Next step
Choose the next step for E8
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Float Switch
Detects the maximum water level to prevent overflow and potential flooding.
- Typical part-only price
- $15 - $40
- DIY difficulty
- Easy
- Estimated time
- 10-20 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Pressure Switch
Detects the water level inside the tub and signals when to start or stop filling.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does E8 error mean on LG dishwasher?
E8 error indicates a possible failure in the drain pump, often resulting in unusual noises and poor drainage.
Can I fix LG dishwasher E8 error myself?
Yes, you can try basic checks like power cycling the unit and inspecting hoses for kinks or blockages.
How much does it cost to fix E8 error?
Repair costs typically range from $100 to $300, depending on labor rates and parts needed.
When should I call a technician for E8?
Call a technician if E8 persists after basic troubleshooting, or if you notice water leakage or strange noises.
Sources & References
Data last verified: 2026-07-31
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