Why are suds coming out of the standpipe with my Speed ...
1) The use of too much laundry detergent. This is the main reason for suds emitting from a standpipe. If you haven't already, you will want to reduce their detergent amount. We suggest in using 2 tablespoons of HE detergent for a large load of heavily soiled laundry and 1 tablespoon of HE detergent for a large load of lightly soiled laundry.