Kohler K-5402A-0 Homeowner's Manual page 16

C) Clean and Replace Filter Screen
Clean or replace the filter screen if there is little or no water spray.
1) Toilet filter screen clean
Turn off power supply, close water supply valve and remove filter screen plug.
Remove filter screen and clean
Reinstall filter screen, connect to hose connector, open valve. Turn on power supply and check for leaks.
Reinstall side panel.
2) Concealed water tank filter screen clean
Please follow the steps specified in installation manual.
Remove control board.
Remove supporting board.
Remove water repelling board.
Screw valve switch to turn off water supply. Unscrew
filter locknut as shown and clean with water.
Reinstall filter screen after clean.
1274372-A05-B June 2016
Power switch OFF
(LED OFF)
Filter
16
Clean filter screen
CLOSE valve
Screen
Tighten
Locknut
Kohler Co.