23
Troubleshooting
Problem
Possible Causes
Solutions
EASYpure LF completely
No electrical power to
Ensure that the EASYpure LF power
inactive. (pump not operating,
EASYpure LF.
cord is connected to a live power
control panel not lit, etc.).
source and completely plugged into
electrical outlet.
Make sure power entry module switch is on.
Fuses blown.
Replace the fuses as indicated
in the Fuse Replacement section.
Pump runs, but no display
Main PCB and display PCB
Disconnect unit from power.
(no digital display).
not connected.
Check and reconnect boards.
Pump does not run. Display lit.
Low water in feedwater tank
Replenish feedwater. Check inlet
or low inlet water pressure.
water line for constrictions, blockages
or closed valves.
Jumper or devices not
Install.
installed in pump interlock.
Pump worn out or defective.
Replace pump.
Display reads “Err” when
Resistivity cell lead
Check resistivity cell lead.
checking resistivity.
disconnected.
Air in system.
Purge air from system by drawing
off water according to the instructions in the
Operation section.
Resistivity cell dirty.
Clean cell and reinstall.
Recirculated water will not
Exhausted cartridge.
Replace the cartridges as indicated in
rinse up to desired purity level.
the Cartridge Replacement section.
Cartridges out of order.
Install the cartridges in the proper order as
indicated In the Cartridge Installation
section.
Reduced or no product flow
0.2 micron final filter
Replace the 0.2 filter assembly as
from the 0.2 filter assembly.
clogged.
indicated in the 0.2 Micron Filter
Replacement section.
Cartridges improperly rinsed.
Rinse cartridges; install new filter.
Troubleshooting
