Daewoo Washing Machine Error H4

⚡ Quick Answer: The Daewoo washing machine H4 error code indicates a malfunction in the heating system, typically due to overheating of the wash heating element or a ... ✅ DIY Fixable

What Does Error H4 Mean?

The Daewoo washing machine H4 error code indicates a malfunction in the heating system, typically due to overheating of the wash heating element or a related temperature sensor issue. This results in the washer halting its cycle when it attempts to heat water, preventing it from starting properly. If you see this error, it may be necessary to check for excessive laundry loads and ensure proper functioning of the heating components.

Common Symptoms:

  • Error displayed during wash cycle when heating water
  • Washer stops with H4 on display

Possible Causes

  • Overheating of wash heating element (medium)

How to Fix Error H4

DIY Fix Basic checks and reset

  1. Turn off and unplug the washing machine.
  2. Wait 10–15 minutes to allow the system to cool and reset.
  3. Ensure laundry load is not excessive or heavily soiled (which can strain heating cycles).
  4. Plug in and restart a new wash cycle without heater demand (e.g., cold wash).

Technician Only Inspect heating system and sensors

  1. Disconnect power and access the internal heater assembly.
  2. Inspect the heating element for signs of damage or shorts.
  3. Test the temperature sensor/thermistor for correct resistance values.
  4. Check wiring and connectors to the heater and sensor for damage or corrosion.
  5. Replace faulty heating element or sensor as needed.

Parts needed: heating element, temperature sensor/thermistor, associated wiring harness

🛑 When to Call a Pro:
  • If the error persists after basic reset and load adjustments
  • If internal components (heater/sensor) appear damaged or wiring compromised

Next step

Choose the next step for H4

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

Heating Element

Heats the water or air inside the appliance to the required temperature.

Typical part-only price
$40 - $95
DIY difficulty
Medium
Estimated time
30-45 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

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

$15 - $35 · Easy · 15-30 mins

Check fit & price

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Technical Specifications

wattage N/A
component Door Lock Assembly
resistance 1-5 ohms
part_number DWD-LOCK-001
voltage_rating 120V AC

Common Questions

What does H4 error mean on daewoo washing machine?

H4 indicates an issue with the heating system, often due to overheating of the heating element.

Can I fix daewoo washing machine H4 error myself?

Yes, try resetting the machine and ensuring the laundry load is not excessive.

How much does it cost to fix H4 error?

Repairs for the H4 error typically range from $50 to $200, depending on the region and model.

When should I call a technician for H4?

Call a technician if the H4 error persists after a reset or if components appear damaged.

Data last verified: 2026-04-23

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