Metrohm 882 Compact IC plus – Anion - Manual (Page 95)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Troubleshooting
882 Compact IC plus – Anion ￭￭￭￭￭￭￭￭ 85
Problem Cause Remedy
Precision problems -
significant scatter-
ing of the measured
values Injection valve – sample
loop. Check installation of the sample loop (see
Chapter 3.12.1, page 34).
Sample – rinsing volume
too low. Increase rinsing time (see Chapter 5.9, page
69).
Injection valve – defective. Request Metrohm Service.
Unexpected change
to the retention
times in the chroma-
tograms Separation column –
diminished separating effi-
ciency. ￭ Regenerate separation column (see Chap-
ter 5.12.4, page 80).
￭ Replace separation column (see "Connect-
ing and rinsing the separation column",
page 48).
High pressure pump –
defective. Request Metrohm Service.