￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
5 Troubleshooting
883 Basic IC plus
￭￭￭￭￭￭￭￭
91
Problem Cause Remedy
Peristaltic pump – Pump
tubing defective.
Replace the pump tubing (see chapter
4.11.2.1, page 84).
Data of the separa-
tion column cannot
be read.
Column chip dirty. Clean the contact surfaces of the column chip
with ethanol.
Column chip is defective. 1. Save column configuration in MagIC Net.
2. Notify Metrohm Service.
Individual peaks are
greater than
expected.
Sample – Sample carry-
over from previous meas-
urements.
Check the rinsing time (see "Checking the rins-
ing time", page 87).
MSM – Insufficient
flow of regeneration
solution or rinsing
solution.
There is a leak in the sys-
tem.
Check all connections.
Peristaltic pump – Contact
pressure too weak.
Correctly set the contact pressure.
Peristaltic pump – Filter
blocked.
Replace the filter.
Suppressor – Backpressure
too high.
Clean the suppressor (see chapter 4.10.3.3,
page 80) or replace parts (see chapter
4.10.3.4, page 82).
Peristaltic pump – Pump
tubing defective.
Replace the pump tubing.
The background
conductivity is too
high.
Suppressor – Not con-
nected.
Connect the suppressor .
The incorrect eluent is
being used.
Change the eluent (see chapter 4.4.2, page
59).
Suppressor – No or insuffi-
cient flow of regeneration
solution or rinsing solution.
Check the flow of the regeneration solution
and of the rinsing solution (see chapter
3.13.3, page 33).
The retention times
are poorly reprodu-
cible.
The eluent path has a leak. Check all of the connections along the eluent
path and fix the leak.
The eluent path is blocked. Check the eluent path and eliminate the block-
age.
The eluent contains gas
bubbles.
￭ Deaerate the high-pressure pump (see
chapter 3.18, page 47).
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