Panasonic NA-FD135Z3 Operating & Installation Instructions Manual page 24

Maintenance
1
2
3
Start
4
24
Water supply filter
If water does not flow smoothly
On
Approx. 40 sec
1
Loosen
2
For heavy soil
Mild kitchen
detergent
(continued)
5
6
7
Off
8
Main unit, lid
Water supply
filter
Tighten
2
1