Kohler EIR Homeowner's Manual page 18

B. Purification water filter exchange
1. Dismantle toilet cover
Open toilet back cover and slide up by tool (provided).
Pull the housing cover outwards from both sides, and then
pull it out from the top.
2. Turn the old filter out as shown.
3. Slightly apply pressure as shown, tighten new filter.
4. System shall auto dismiss alarm and return to normal status.
5. Re-close cover.
Press housing cover downwards by hand, after snap both sides
and front in properly, complete installation when tightened.
Note: i. Do not cut power supply off when change filter, otherwise the system shall not be able to dismiss alarm.
ii. In case of changing filter when power is off, please pull filter out and plug in once to dismiss alarm after
power is on.
iii. A small amount of water will flow out during replacement process.
1413624-T01-B 18 Kohler Co.