19
8.
Replace fuse drawer.
9.
Replace cover, power cord, and pump interlock
plug.
10. Reconnect unit to power supply, and connect in-
coming water line at quick disconnect.
Printed Circuit Board Replacement
1.
Turn system off.
2.
Disconnect incoming water line at quick disconnect.
Depressurize system by opening outlet valve.
3.
Disconnect the EASYpure LF from the power sup-
ply.
4.
Remove the power cord from the power entry mod-
ule, and remove the pump interlock plug from the
rear of the unit.
5.
Remove the screws securing the EASYpure LF cov-
er.
6.
Remove the cover by lifting it straight up.
7.
Remove the filter and the Luer fitting.
8.
Remove the screws securing the front cover. Re-
move the front cover.
9.
Disconnect the membrane switch lead from the
printed circuit board.
10. Disconnect the resistivity cell lead from the printed
circuit board.
11. Disconnect the printed circuit board relay plug by
squeezing the retaining clip while pulling the plug
straight out from the frame.
12. Remove the nuts holding the printed circuit board in
place.
13. Remove the printed circuit board. Disconnect power
WARNING
Replace fuses with those of the same type and
rating. (See Parts Listing)
WARNING
Depressurize system prior to opening cartridge ac-
cess door.
M
AINTENANCE AND
S
ERVICING
