Lots of water remains in chamber wall after cycle end.
1. The filter screen on the internal bottom of chamber was blocked
Solution: Take it out, and clean or replace it.
2. The filter screen inside the pipe before the water release valve.
Solution: Replace the filter screen.
3. The water release valve is blocked or does not work.
Solution: replace the water release valve.
E20
Alarm condition: The cycle is interrupted by manual
Solution: Shut off the power and restart the power.
10