Sud
What code Sud means on a LG washing machines, what causes it, and which part to check first.
● SEVERITY: LOW
LG Sud means: Excessive suds. The documented cause is: When excessive suds are detected, the cycle goes into a suds kill routine by filling the tub with water and then tumbling the clothes.
What Sud means
Excessive suds
The display shows Sud and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| When excessive suds are detected, the cycle goes into a suds kill routine by filling the tub with water and then tumbling the clothes |
| If this routine doesn't eliminate the suds, the control displays the Sud code |
| Let the suds dissipate for several hours then use the Rinse, Drain & Spin cycle to finish the cycle |
| Use the right amount of high-efficiency (HE) detergent with future loads |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.
What to check, in order
From the quickest check to the one that needs a technician.
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Frequently asked questions
What does Sud mean on a LG?
Excessive suds The documented cause is: When excessive suds are detected, the cycle goes into a suds kill routine by filling the tub with water and then tumbling the clothes. If this routine doesn't eliminate the suds, the control displays the Sud code. Let the suds dissipate for several hours then use the Rinse, Drain & Spin cycle to finish the cycle. Use the right amount of high-efficiency (HE) detergent with future loads
Can I fix Sud myself?
It depends on the part involved: When excessive suds are detected, the cycle goes into a suds kill routine by filling the tub with water and then tumbling the clothes. If this routine doesn't eliminate the suds, the control displays the Sud code. Let the suds dissipate for several hours then use the Rinse, Drain & Spin cycle to finish the cycle. Use the right amount of high-efficiency (HE) detergent with future loads Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does LG use other codes on this appliance?
Yes: we document 23 other codes for LG on this washing machines. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.