F21 indicates that the washer is having problems draining. Check the drain hose to see if it is kinked or if there is an obstruction in the hose.
SUD comes on every time excessive suds are detected. Not using the proper detergent will set this off faithfully. The machine will run a cycle to remove the excessive suds before completing the wash cycle.
You need to clean the drain filter by removing the 3 screws in the bottom of the front panel. Then you will see a white twist cap. Remove the filter and clean it out.
Answers & Comments
F21 indicates that the washer is having problems draining. Check the drain hose to see if it is kinked or if there is an obstruction in the hose.
SUD comes on every time excessive suds are detected. Not using the proper detergent will set this off faithfully. The machine will run a cycle to remove the excessive suds before completing the wash cycle.
You need to clean the drain filter by removing the 3 screws in the bottom of the front panel. Then you will see a white twist cap. Remove the filter and clean it out.