LG Refrigerator Error Code ER dH
Defrost Heater Error
Severity
DIY Difficulty
Est. Cost
$50 - $250
Est. Time
60 min
What Does ER dH Mean?
LG refrigerator error ER dH means defrost heater error. This is a significant issue with a DIY difficulty of 4/5. Most repairs cost between $50 and $250.
Common Causes
Component wear
This is a potentially significant cause of the ER dH error on LG refrigerators.
Blockage
This is a potentially significant cause of the ER dH error on LG refrigerators.
Sensor failure
This is a potentially significant cause of the ER dH error on LG refrigerators.
Wiring issue
This is a potentially significant cause of the ER dH error on LG refrigerators.
Step-by-Step Fix
Power cycle the appliance
Unplug your LG refrigerator for 60 seconds, then plug it back in. This clears temporary errors and resets the control board.
Check for obvious issues
Inspect your refrigerator for any visible problems such as loose connections, blockages, or unusual sounds. Many ER dH errors on LG units are caused by simple issues.
Run a diagnostic cycle
Many LG refrigerators have a built-in diagnostic mode. Check your user manual for the specific key combination to enter diagnostics on your model.
Test related components
Based on the ER dH error meaning (Defrost Heater Error), check the specific components involved. Use a multimeter to test for continuity if you are comfortable with electrical testing.
Contact a professional
If the above steps do not resolve the ER dH error, contact a certified LG technician. This repair has a difficulty rating of 4/5 and may require specialized tools.
✅ Click each step to mark as completed (0/5 done)