HomeBrandsLGRefrigeratorser ad
er ad
Easy Fix
LG · Refrigerators
Door Alarm Error
Quick Answer
Error code Er Ad on your LG Refrigerators means: Door Alarm Error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
LRDCS2603SLRFXS2503SLRMVC2306SLRMVS3006SLRSOS2706SLRSXS2706VLTCS20020S
Likely Causes
  1. A refrigerator or freezer door has been left open for an extended period
  2. Door alarm sensor is malfunctioning and falsely detecting an open door
  3. Door gasket is not sealing properly, allowing warm air to enter
  4. Door switch is stuck in the open position
How to Fix It
1
Check all doors including the main refrigerator doors, freezer door, and any drawer doors to ensure they are fully closed
2
Inspect door gaskets for damage, debris, or improper seating that may prevent a full seal
3
If the alarm sounds but all doors appear closed, test the door switches to ensure they detect the closed position
4
Clean the gasket surface with warm soapy water to restore flexibility and magnetic seal
5
Replace the door switch if it is stuck or does not toggle properly
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Door switch (LG part #6600JB1010A)
Door gasket (model-specific)
Related Error Codes
Er IFEr FFEr CFEr COEr rS
Video Guides
Loading video guides…
Search more on YouTube →