ER dH
LG · LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator
Defrost heater didn't activate during scheduled defrost. Causes ice buildup on evaporator coils, leading to poor cooling. Check heater continuity. Check defrost thermostat/bi-metal — should be closed at cold temps. If both good, main board defrost relay may have failed.
Error ER dH on the LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator means: Defrost Heater Error. The top-ranked community fix is “Test and Replace Defrost Heater and Thermostat Assembly” (hard difficulty, ~60 min, DIY cost: $15-$25). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · refrigerator
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many refrigerator repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$220.
The LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator has 8 other known error codes:
Error code ER dH also appears on 1 other LG model:
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