The water is not fully draining from the wash cycle. flashing F1,F21, 5D, please advise. Washer was purchased two years ago. thanks

F21 F 22 CCU /touchpad/LED assembly unable to transmit/receive data to/from the CCU central control unit
Possible causes/proceedure:
1. Check the touch-pad/LED assembly by selecting different
cycles and changing the modifiers and options available to
confirm the touch-pad/LED is responding.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the
touch-pad/LED assembly and Central Control Unit (CCU).


Sud: Suds lock (overdose of detergent detected during wash cycle)
The motor control unit senses a suds lock condition by analyzing the
current draw on the drive motor. If "Sud" is displayed a potential Suds
Lock is detected. This may signify a bad pump, an extra heavy load,
excessive detergent, or excessive suds.
Possible causes/proceedure:
¦ If too much detergent was used:
-Run the unit through a Rinse/Spin cycle.
-Run a Normal cycle without adding any detergent.
This should clear the unit of the excess detergent.
1. Check the drain hose and make sure it is not plugged
or kinked.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the drain pump,
pressure switch, and Central Control Unit (CCU).
4. Check/clean drain pump filter of foreign objects.
5. Plug in washer or reconnect power.
6. Check drain pump.
7. Check the pressure switch.
8. Verify CCU operation by running a Diagnostic test or any
cycle.

First remove the bottom panel and grab yer tech sheet. It gives the faluts and directions to diagnose or correct as shown above. Clear the pump filter.
Watch this video that shows how from my main man Double H

If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61