LG Dishwasher Error Code HE — How to Fix (Heater circuit error)
Fix LG Dishwasher error code HE. Step-by-step guide to diagnose and resolve the heater circuit error on LG dishwashers.
What Does Error Code HE Mean?
Error HE on your LG Dishwasher means: The LG Dishwasher error code HE indicates a heater circuit error. This means that the dishwasher's heating element is not functioning properly, causing the water temperature to be too low. If left unchecked, this can lead to poor cleaning results and potentially damage the dishwasher's internal components.
What You'll Need
🔧 Tools
- Multimeter (digital)
- Phillips
- Torx T20 screwdriver
- Needle-nose pliers
🛒 Parts
- Heating Element (DLE3500V)
How to Fix Error HE — Step by Step
- 1
Reset the Dishwasher (Power Cycle)
Before attempting any repairs, try resetting the dishwasher by unplugging it from the power outlet for 30 minutes. This can sometimes resolve the issue by clearing any temporary glitches or software errors. Once the reset is complete, plug the dishwasher back in and check if the error code HE persists.
💡 Pro Tip: Make sure to unplug the dishwasher from the power outlet to avoid any electrical shocks or injuries.
- 2
Check the Heating Element
Locate the heating element, which is usually located at the bottom of the dishwasher. Use a Phillips #2 screwdriver to remove the screws holding the element in place. Once removed, inspect the element for any signs of damage, such as cracks or rust. Use a multimeter to measure the resistance of the element. A healthy heating element should have a resistance of around 10-20 ohms. If the reading is outside this range, it may indicate a faulty element.
💡 Pro Tip: When handling electrical components, always use caution and follow proper safety procedures to avoid electrical shocks.
- 3
Inspect the Thermostat
The thermostat is responsible for regulating the water temperature in the dishwasher. Locate the thermostat, which is usually a small electronic component attached to the heating element. Use a multimeter to measure the resistance of the thermostat. A healthy thermostat should have a resistance of around 1-5 ohms. If the reading is outside this range, it may indicate a faulty thermostat.
💡 Pro Tip: When inspecting the thermostat, make sure to handle it with care, as it is a sensitive electronic component.
- 4
Check the Wiring and Connections
Inspect the wiring and connections to the heating element and thermostat for any signs of damage or corrosion. Use a multimeter to measure the voltage at the connections. A healthy connection should have a voltage reading of around 120-240V. If the reading is outside this range, it may indicate a faulty connection or wiring issue.
💡 Pro Tip: When inspecting the wiring and connections, make sure to use caution and follow proper safety procedures to avoid electrical shocks.
- 5
Replace the Heating Element or Thermostat
If the heating element or thermostat is faulty, you may need to replace it. Make sure to purchase a genuine LG part or a compatible replacement part. Follow the manufacturer's instructions for installation and ensure all connections are secure and properly connected.
💡 Pro Tip: When replacing electrical components, always follow proper safety procedures and consult a professional if you are unsure.
When to Call a Professional
If you are unsure about any of the steps or feel uncomfortable with the repair, a factory-authorized service technician can help. If the error code HE persists after attempting the above steps, or if you notice any signs of electrical shock or water leakage, it is also recommended to call a professional to avoid any potential hazards.
Related LG Dishwasher Error Codes
More LG Troubleshooting Guides
- LG Dishwasher Error AE — Error code AE on your LG Dishwasher indicates that a leak has been detected in t
- LG Dishwasher Error E1 — Error code E1 on your LG Dishwasher indicates a leak detected or water in the ba
- LG Dishwasher Error FE — The LG Dishwasher error code FE indicates that the float switch is overfilled, p