Instruction manual

EASYpure II RF 10-1Thermo Scientific
Section 10 Troubleshooting
Problem Possible Causes Action
EASYpure II RF completely inactive. (Pump not
operating, display not lit, etc.)
Note: When unit is powered and not operating,
nor in standby, “IdL” will normally be displayed.
No electrical power to EASYpure II RF.
Ensure that the EASYpure II RF power cord is
connected to a live power source and complete-
ly plugged into electrical outlet.
Membrane switch leads not connected.
Disconnect unit from power. Check and recon-
nect. See Figure 9-1.
Main power switch off. Place to “On” position.
Fuses blown or not installed properly.
Check to make sure proper fuses were
installed.
Replace the fuses as indicated in the Fuse
Replacement section.
Pump does not run. Display showing purity
information.
Loose wire connection to pump.
Ensure pump is properly connected to
display/control board (PC1286X3).
Display/control board is defective. Replace board. Call Technical Services.
Pump worn out or defective. Replace pump. Call Technical Services.
Recirculated water will not rinse up to desired
purity level.
Exhausted cartridge
Replace the cartridge as indicated in the
Cartridge Replacement section.
Cartridges out of order.
Install the cartridges in the proper order as
indicated in the Cartridge Installation section.
Dirty resistivity cell.
Clean resistivity cell as indicated in the
Maintenance and Servicing section.
Water path restriction.
Check tubing for constriction (kinks) or block-
ages.
Resistivity meter board out of tolerance. Replace board (PCX70). Call Technical Services.
Reduced or no product flow from the 0.2 filter
assembly
0.2 micron final filter clogged.
Replace the 0.2 filter assembly as indicated in
0.2 Micron Final Filter Replacement section.
Water path restriction Check tubing.