Samsung Washing Machine Error Code HE — How to Fix (Water Heating Error)

Understanding Error Code HE

The Samsung Washing Machine error code HE is a critical issue that requires prompt attention to prevent further damage to your machine. The error code is triggered when the machine’s water heater fails to function properly, causing issues like cold water during cycles or the machine not completing a cycle. This error can be caused by a faulty water heater thermostat, a malfunctioning water heater element, or a blockage in the machine’s water inlet or drain pump filter.

Likely Culprits

Related issue? If your Samsung washing machine is showing a different error code, see our guide on [Samsung Washing Machine Error 3E](/samsung/washing machine/error-3e/).

Here are the most common causes of the Samsung Washing Machine error code HE:

• Faulty Water Heater Thermostat: The thermostat may be malfunctioning, causing the machine’s water heater to fail.
• Malfunctioning Water Heater Element: The water heater element may be damaged or worn out, preventing the machine from heating the water properly.
• Blockages or Debris: Blockages or debris in the machine’s water inlet or drain pump filter can prevent the machine from heating the water properly.
• Temperature Sensor Issues: A faulty temperature sensor can cause the machine to malfunction and display the error code HE.

Helpful Details

When troubleshooting the Samsung Washing Machine error code HE, it’s essential to consult your user manual for specific instructions on running a diagnostic test. also, regular cleaning of the drain pump filter can help prevent future issues with the water heating system. If safety is a concern at any point during the repair, or if the issue persists after trying the above steps, get a professional assessment before attempting further repairs.

When to Call a Professional

If you’re unsure about any of the steps or feel uncomfortable performing the repairs yourself, it’s best to call a qualified technician appliance technician. Professional diagnosis can save you from replacing parts that are actually fine.

Related Samsung Error Codes

If you’re troubleshooting your Samsung washing machine, these related guides may help:

• [Samsung Washing Machine Error 3E](/samsung/washing machine/error-3e/)
• [Samsung Washing Machine Error OE](/samsung/washing machine/error-oe/)
• [Samsung Washing Machine Error LE](/samsung/washing machine/error-le/)

Other Samsung appliance guides:

• Samsung Dishwasher Error LE
• Samsung Dryer Error dE

What Does Samsung Washing Machine Error Code HE Mean?

When a Samsung washing machine shows the HE error, it’s telling you that the water heater isn’t working right. The machine can’t heat the water to the temperature it needs for a proper wash cycle, so you might see the machine finish early, the water stay cold, or the cycle stall altogether. Because the heating element is a key part of the wash process, a failure can lead to uneven cleaning, stains, and even damage to the drum or internal components if left unchecked.

The HE code is usually triggered by the machine’s internal temperature sensor detecting a mismatch between the expected and actual water temperature. If the heater is off, the sensor will think the water is too cold, and the control board will halt the cycle to protect the appliance and your clothes. Fixing this quickly keeps your washer running smoothly and prevents costly repairs later.

Common Causes of Error HE

• Faulty Water Heater Thermostat – The thermostat that controls the heating element may be stuck or broken, preventing the element from turning on.
• Defective Heating Element – A broken coil or heating rod can stop heat transfer, even if the thermostat works.
• Low Water Pressure or Blocked Inlet Valve – If the machine isn’t getting enough water, the heater can over‑cycle and trigger an error.
• Wiring Issues – Loose or corroded connections between the thermostat, heating element, and control board can cause intermittent heating.
• Malfunctioning Temperature Sensor – A bad sensor can misread the water temperature and falsely trigger HE.
• Power Supply Problems – Voltage drops or irregular power can prevent the heater from receiving the correct signal.

How to Prevent Error HE

1. Check the Water Supply – Keep inlet hoses clear of kinks and ensure the water valve is fully open.
2. Clean the Filter and Drain Pump – A clogged filter can reduce water flow, stressing the heater.
3. Inspect Wiring Regularly – Look for frayed or corroded wires, especially around the thermostat and heating element.
4. Use a Dedicated Power Outlet – Avoid shared circuits that might cause voltage dips during a wash cycle.
5. Run a Diagnostic Test Monthly – Most Samsung models let you run a self‑check; use it to catch early warning signs.

Estimated Repair Costs

Prices vary by region and model. The thermostat part number “3‑3‑5” is common for many Samsung washers, but always verify with your user manual or a Samsung parts catalog.

Frequently Asked Questions

Q1: Can I just skip the HE error and run the wash cycle anyway?
A1: No. Running the cycle without heating can leave clothes dirty and may cause the washer to overheat or short‑circuit, leading to bigger repairs.

Q2: How long does it take to replace a thermostat?
A2: A trained technician can replace the thermostat in about 30 minutes. DIY replacements may take up to an hour if you’re new to appliance repair.

Q3: Will using a different water heater thermostat fix the issue?
A3: Only use a replacement that matches your model’s specifications. Using an incompatible part can trigger new errors or damage the control board.

Q4: Is the HE code related to the water heater in my home?
A4: No. The HE code refers to the washer’s internal heating element, not the home’s water heater.

Q5: How can I tell if the heating element is the problem?
A5: After replacing the thermostat, if the HE code reappears, inspect the heating element for visible damage or test it with a multimeter for continuity. If it’s faulty, replace the element.