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Error code reference

LG Washer Error Code Sd

Suds error

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What the Sd error code actually means

Your LG washer is detecting too many soap bubbles inside the drum, which can cause leaks if not controlled. The machine will automatically run extra rinse cycles to clear out the suds, which adds around two hours to your wash. This usually happens when too much detergent is used or when regular detergent is used instead of HE detergent.

Diagnostic procedure

The full Sd procedure

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1
First diagnostic step
Reduce detergent amount; use HE detergent.
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Most common causes of Sd

Ranked by how often they cause this code
  1. 1Excess detergent used
  2. 2Non-HE detergent in an HE washer
  3. 3Detergent residue buildup in drum or dispenser
  4. 4Wrong type of detergent for load
  5. 5Clogged drain pump or filter restricting suds drainage

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Questions people ask about Sd

What does Sd mean on a LG washer?
The Sd code on an LG washer means the machine has detected too many suds inside the drum. The washer responds by running an automatic suds reduction cycle, which can add about two hours to the cycle time. If excess suds are detected during spinning, the machine stops to prevent potential leaking. In most cases, this is caused by using too much detergent or using a non-HE detergent.
Is the Sd error on an LG washer dangerous?
The Sd error is not a sign of a mechanical failure and does not pose a safety hazard in normal circumstances. The washer is designed to stop spinning when suds are excessive specifically to prevent leaks and protect surrounding surfaces. Continuing to use non-HE detergent or overdosing detergent repeatedly could lead to water escaping the machine over time, so addressing the root cause is important.
How much does it cost to fix an Sd error on an LG washer?
In most cases, fixing the Sd error costs nothing beyond switching to an HE detergent and adjusting how much you use per load. If the error persists due to a clogged drain pump filter, cleaning the filter is a free DIY task. Only in rare situations where a component is actually faulty would a repair cost be involved, and those scenarios would typically present additional error codes alongside the suds detection.
How do I fix the Sd error on my LG washer?
Start by allowing the machine to complete its automatic suds reduction cycle without interruption. Once the cycle finishes, switch to an HE-certified detergent and reduce the amount you use per load. If the error keeps recurring, run a drum cleaning cycle to remove any detergent residue that may have built up inside the tub and dispenser. Also check that the drain pump filter is clean and unobstructed.
Will resetting my LG washer clear the Sd error?
A reset may clear the code temporarily, but it will not resolve the underlying cause. If excess suds are still present in the drum when the machine restarts, the Sd code will return. It is better to let the suds reduction cycle complete fully, then correct your detergent type and quantity before running the next load.

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