Lemair Dishwasher Error E4
⚡ Quick Answer: The Lemair dishwasher error E4 indicates a malfunction in the drain pump, resulting in the dishwasher stopping mid-cycle. This error may cause unusual... ✅ DIY Fixable
What Does Error E4 Mean?
The Lemair dishwasher error E4 indicates a malfunction in the drain pump, resulting in the dishwasher stopping mid-cycle. This error may cause unusual noises during operation and an inability to drain water, leading to potential water accumulation in the base pan that triggers the safety sensor.
Common Symptoms:
- Dishwasher stops mid‑cycle when E4 appears
- Possible water accumulation in base pan triggering safety sensor
- Continuous draining or inability to proceed with wash
Possible Causes
- Drain Pump
- Blocked Drain Hose
- Faulty Control Board
How to Fix Error E4
DIY Fix Check for water accumulation and reset
- Turn off and unplug the dishwasher
- Carefully tilt the dishwasher forward/backward to drain any water collected in the base pan (if safe to do so)
- Reconnect power and run a short cycle to see if the error clears
Technician Only Inspect water sensor and drainage components
- Remove access panels to inspect base pan for water accumulations
- Check the float/overflow sensor for proper movement and continuity
- Inspect drain hose, filter, and pump for blockages or leaks
- Verify inlet valve and water supply connections
- Test components with multimeter where appropriate
Parts needed: float/overflow sensor, drain pump, drain hose, inlet valve
- Repeated E4 errors after basic checks
- Visible leaking from hoses or pump
- Unusual noises from drainage components
Next step
Choose the next step for E4
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
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- 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 Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
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 E4 error mean on Lemair dishwasher?
E4 error indicates a drain pump malfunction, causing the dishwasher to stop mid-cycle and possibly resulting in water accumulation.
Can I fix Lemair dishwasher E4 error myself?
Yes, you can check for water accumulation in the base pan and reset the dishwasher by tilting it to drain any water.
How much does it cost to fix E4 error?
Estimated repair costs for E4 error range from ¥5,000 to ¥20,000, including parts and labor.
When should I call a technician for E4?
Call a technician if E4 errors persist after basic checks, if you see visible leaks, or hear unusual noises from drainage components.
Sources & References
Data last verified: 2026-07-31
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