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Washing Machine Displaying Fault Code Sud

The part(s) or condition(s) listed below for the symptom Sud - SUDS LOCK (Overdose of Detergent detected during the Wash Cycle) are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Sud - SUDS LOCK (Overdose of Detergent detected during the Wash Cycle)

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Cause 1"Sud" might indicate an extra heavy load but usually is caused by excessive suds in washer due to the use of non HE detergent or too much detergent. An automatic suds routine adds additional rinse and drain operations until the suds level is reduced.

The manufacturer has assigned this error or fault code to indicate that there may be too many suds in the machine. Suds are the foam caused by agitation of the detergent. If a non-HE detergent is used, or too much detergent is used, this problem can occur. The machine will automatically try to reduce the suds by adding a rinse cycle but if it can’t reduce the suds enough it may pause the cycle. In some instances this error code displays if the pump or drain line are clogged or if the pump is defective.

Cause 2Drain Pump

Parts
Cause 3Check drain hose for kinks and make sure hose and pump are not plugged with lint or other debris

The manufacturer has assigned this error or fault code to indicate that there may be too many suds in the machine. Suds are the foam caused by agitation of the detergent. If a non-HE detergent is used, or too much detergent is used, this problem can occur. The machine will automatically try to reduce the suds by adding a rinse cycle but if it can’t reduce the suds enough it may pause the cycle. In some instances this error code displays if the pump or drain line are clogged or if the pump is defective.