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

  1. Turn off and unplug the dishwasher
  2. Carefully tilt the dishwasher forward/backward to drain any water collected in the base pan (if safe to do so)
  3. Reconnect power and run a short cycle to see if the error clears

Technician Only Inspect water sensor and drainage components

  1. Remove access panels to inspect base pan for water accumulations
  2. Check the float/overflow sensor for proper movement and continuity
  3. Inspect drain hose, filter, and pump for blockages or leaks
  4. Verify inlet valve and water supply connections
  5. Test components with multimeter where appropriate

Parts needed: float/overflow sensor, drain pump, drain hose, inlet valve

🛑 When to Call a Pro:
  • Repeated E4 errors after basic checks
  • Visible leaking from hoses or pump
  • Unusual noises from drainage components

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number Lemair DP123456
voltage_rating 240V AC

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: 2026-07-01

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