Thermo Scientific dionex ic pure water, Operating Instructions Manual

Page: 110 / 128

| Troubleshooting
100
|
Dionex IC Pure system Thermo Scientific
Chapter 15
Dispensed water flow rate is too low

UF-Module blocked

Initial pressure too low (external
20 L tank with level control)

Internal pressure too low

Dispensed water flow rate out of
the tolerance range

0.2 µm final filter is clogged

Air look in unit

Replace UF-module (see
“Changing the ultrafilter” on
page 86)

Set the pressure regulator

Readjust pressure reducer

Contact Thermo Scientific for
calibration

Replace the 0.2 µm final filter

Dispense water at POU or rinse to
purge air from the system
Display of TOC content permanently
at 99 ppb

UV lamp not burned in / counter
reset

TOC measuring cell defective

Replace the UV lamp and reset the
operating hours counter (see
“Replacing the UV lamp” on
page 89)

Replace the TOC measuring cell
No analyzer is indicated at the
Dionex IC Pure system for operation
with an analyzer.

Settings in OEM menu are
incorrect

IC system not activated

Cable to IC system not
connected

Cable break

Correct the settings in the OEM
menu (see “OEM menu” on
page 72)

Activate IC system

Connect the cable to the IC system

Replace the cable
Wrong time or date

Time zone

Summer/winter time

Reset time and date
Wrong language

Wrong language set

Correct language setting
Error message: “Limit value feed“

Feedwater conductivity too high

Limiting value set too low

Check the feedwater measuring
cell and deactivate in the menu

Check and reset the limiting value
Display indIN

Measuring cell cable break

Replace measuring cell
Error message:“Pur.limit“

Ultrapure cartridge exhausted

Limiting value set too low

Replace ultrapure cartridge (see
“Changing the ultrapure cartridge”
on page 75

Check and reset the limiting value
Error message:“UV-time“

UV lamp operating time has
been exceeded

Replace the UV lamp (see
“Replacing the UV lamp” on
page 89)

Reset the operating time counter
Error Cause Remedy