Daewoo Dishwasher Error E12

⚡ Quick Answer: The Daewoo dishwasher error E12 indicates a potential issue with the drain pump or a door seal leakage. Users may notice the E12 code appearing either... ✅ DIY Fixable

What Does Error E12 Mean?

The Daewoo dishwasher error E12 indicates a potential issue with the drain pump or a door seal leakage. Users may notice the E12 code appearing either at the start of a cycle or during operation, often accompanied by unusual sounds. Inspect the door seal for wear or debris, as this can lead to leaks and trigger the error. Addressing these issues promptly can help restore normal operation.

Common Symptoms:

  • Error code E12 displayed on dishwasher panel when starting or during a cycle
  • Possible leakage detection around door seal area (based on community listing)

Possible Causes

  • Possible door seal leakage (low)

How to Fix Error E12

DIY Fix Check for water leakage or seal issues

  1. Visually inspect the dishwasher door seal (gasket) for visible wear, cracks, or debris.
  2. Wipe the seal clean and ensure it seats properly when the door is closed.
  3. Run a short cycle and observe around the door for signs of water escaping.

Technician Only Service door seal and leakage detection system

  1. Remove and inspect the door gasket for deterioration and replace if faults are found.
  2. Verify the dishwasher’s leakage detection sensor and float switch operation.
  3. Test the unit after service to confirm that the E12 code no longer appears.

Parts needed: Door gasket / seal, Leakage detection sensor / float switch

🛑 When to Call a Pro:
  • If water is visibly leaking onto the floor during operation
  • If E12 persists after cleaning and inspecting the door seal
  • If internal components related to leakage detection are suspected faulty

Next step

Choose the next step for E12

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Door Gasket

Creates a watertight seal around the door to prevent leaks during operation.

Typical part-only price
$45 - $110
DIY difficulty
Medium
Estimated time
30-60 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.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other components that may be involved

Check these only if your diagnosis points to them.

Possible related component

Float Switch

Detects the maximum water level to prevent overflow and potential flooding.

$15 - $40 · Easy · 10-20 mins

Check fit & price

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Technical Specifications

wattage 50W
component Drain Pump
resistance 10-15 ohms
part_number DW-PUMP-12345
voltage_rating 120V AC

Common Questions

What does E12 error mean on daewoo dishwasher?

E12 indicates a possible door seal leakage or drain pump issue, causing error display during operation.

Can I fix daewoo dishwasher E12 error myself?

Yes, check the door seal for damage or debris and ensure it seals properly.

How much does it cost to fix E12 error?

Repair costs for E12 range from ¥5,000 to ¥20,000, depending on the model and region.

When should I call a technician for E12?

Call a technician if there is visible leakage or if the E12 error persists after your inspection.

Data last verified: 2026-04-23

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