Lemair Dishwasher Error E1
⚡ Quick Answer: The Lemair dishwasher E1 error indicates a drainage issue, often resulting in the appliance stopping mid-cycle. You may hear a persistent humming soun... ✅ DIY Fixable
What Does Error E1 Mean?
The Lemair dishwasher E1 error indicates a drainage issue, often resulting in the appliance stopping mid-cycle. You may hear a persistent humming sound, and the display will show a water level warning. This error can stem from water supply interruptions, blockages, or problems with the drainage system and water level sensors. Basic troubleshooting, such as checking the water supply valve and cleaning the inlet filter, can help resolve the issue.
Common Symptoms:
- Dishwasher stops mid cycle with E1 displayed
- Dishwasher fails to fill with water
- Dishwasher cannot drain properly
- Water level sensor or float may be triggered
Possible Causes
- Water supply interruption or blockage (community pattern) (medium)
- Drainage or water level sensor issue (community pattern) (medium)
How to Fix Error E1
DIY Fix Basic checks for water supply and drainage
- Confirm the water supply valve to the dishwasher is fully open.
- Inspect the water inlet hose for kinks, bends, or obvious blockages.
- Check and clean the dishwasher’s inlet filter (if accessible) for debris.
- Ensure the drain hose is free from obstructions and positioned correctly.
- Clean the dishwasher’s internal filter and lower sump area of food debris.
DIY Fix Reset the dishwasher
- Turn off the dishwasher power at the mains or unplug it.
- Wait 5–10 minutes to allow any internal electronics to reset.
- Restore power and run a short test cycle to see if the E1 code clears.
Technician Only Inspect and test internal components
- Perform continuity tests on the water level/pressure sensor and inlet valve.
- Check the drain pump and associated sensors for proper operation.
- Evaluate wiring harnesses for loose or damaged connections.
- Replace defective components such as the water inlet valve, pressure switch, or drain pump as needed.
Parts needed: Water inlet valve, Water level/pressure sensor, Drain pump, Wiring harnesses
- If water supply pressure is confirmed normal and basic maintenance checks do not resolve the problem
- If water leakage is observed under the dishwasher
- If error persists despite reset attempts
Next step
Choose the next step for E1
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
Water Inlet Valve
Controls the flow of hot and cold water into the appliance.
- Typical part-only price
- $25 - $60
- DIY difficulty
- Easy
- Estimated time
- 15-30 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.
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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 E1 error mean on Lemair dishwasher?
E1 error signifies a drainage issue, causing the dishwasher to stop mid-cycle.
Can I fix Lemair dishwasher E1 error myself?
Yes, you can perform basic checks like ensuring the water supply is open and cleaning the inlet filter.
How much does it cost to fix E1 error?
The estimated repair cost ranges from ¥8,000 to ¥30,000, depending on parts and labor.
When should I call a technician for E1?
Call a technician if water supply is normal but the error persists, or if there's water leakage.
Data last verified: 2026-07-31
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