Lg Dishwasher Error E7

⚡ Quick Answer: The LG dishwasher E7 error code indicates a potential malfunction in the drain pump, often resulting in the dishwasher stopping mid-cycle and failing ... ✅ DIY Fixable

What Does Error E7 Mean?

The LG dishwasher E7 error code indicates a potential malfunction in the drain pump, often resulting in the dishwasher stopping mid-cycle and failing to drain water. Users may also notice unusual noises during operation. If you encounter this error, it's advisable to perform a basic power reset by turning off the dishwasher and disconnecting it from power for 5-10 minutes. If the error persists, further diagnostics may be required to determine the exact cause, which could involve issues with the heating element, sensors, or control board.

Common Symptoms:

  • Dishwasher stops mid‑cycle and displays E7
  • Cycle does not complete

Possible Causes

  • Drain Pump
  • Blocked Drain Hose
  • Control Board Issue

How to Fix Error E7

DIY Fix Basic checks and reset

  1. Turn off the dishwasher and disconnect power at the breaker or unplug.
  2. Wait 5–10 minutes, then restore power and attempt a restart.
  3. Observe whether the error clears.

Technician Only Professional diagnostic and repair

  1. Use diagnostic tools to read internal error logs if supported by the model.
  2. Inspect heating element, in‑line thermistors, water inlet valve, and heat exchanger/heat pump system (user reports suggest these systems being implicated on some models when E7 appears, see community info).
  3. Check wiring harnesses for continuity and signs of damage.
  4. Replace any failed sensors or heating components as indicated by diagnostics.

Parts needed: Heating element or heat pump assembly, Sensors (temperature/thermistor), Control board (if required)

🛑 When to Call a Pro:
  • If the error persists after a power reset
  • If water is not heating or cycle fails immediately
  • If there are signs of electrical issues or burning smell

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-30 ohms
part_number LG 4681EA2001T
voltage_rating 120V AC

Common Questions

What does E7 error mean on LG dishwasher?

E7 error indicates a malfunction in the drain pump, causing the dishwasher to stop mid-cycle and fail to drain.

Can I fix LG dishwasher E7 error myself?

Yes, you can try resetting the dishwasher by disconnecting power for 5-10 minutes. If the error continues, further diagnosis may be needed.

How much does it cost to fix E7 error?

Repair costs vary by model and part failure; sensor replacements are typically moderate, while heat pump or control board repairs may be higher.

When should I call a technician for E7?

Call a technician if the error persists after a reset, if there are heating issues, or if you notice electrical problems such as a burning smell.

Sources & References

Data last verified: 2026-01-11

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