Thermo Scientific dionex ic pure water Operating Instructions Manual page 110

Chapter 15
| Troubleshooting
|
Dionex IC Pure system
100
Error
Dispensed water flow rate is too low
Display of TOC content permanently
at 99 ppb
No analyzer is indicated at the
Dionex IC Pure system for operation
with an analyzer.
Wrong time or date
Wrong language
Error message: "Limit value feed"
Display indicates +IN
Error message:"Pur.limit"
Error message:"UV-time"
Cause
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

UV lamp not burned in / counter

reset
TOC measuring cell defective

Settings in OEM menu are

incorrect
IC system not activated

Cable to IC system not

connected
Cable break

Time zone

Summer/winter time

Wrong language set

Feedwater conductivity too high

Limiting value set too low

Measuring cell cable break

Ultrapure cartridge exhausted

Limiting value set too low

UV lamp operating time has

been exceeded
Remedy
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
Replace the UV lamp and reset the

operating hours counter (see
"Replacing the UV lamp" on
page 89)
Replace the TOC measuring cell

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

Reset time and date

Correct language setting

Check the feedwater measuring

cell and deactivate in the menu
Check and reset the limiting value

Replace measuring cell

Replace ultrapure cartridge (see

"Changing the ultrapure cartridge"
on page 75
Check and reset the limiting value

Replace the UV lamp (see

"Replacing the UV lamp" on
page 89)
Reset the operating time counter

Thermo Scientific