beautypg.com

Metrohm 872 Extension Module Suppression – MCS User Manual

Page 52

background image

6.1 Problems and their solutions

■■■■■■■■■■■■■■■■■■■■■■

44

■■■■■■■■

872 Extension Module Suppression – MCS

Problem

Cause

Remedy

Suppressor – backpressure
too high.

Clean the suppressor (see Chapter 5.4.3.3,
page 37)
or replace parts
(see Chapter 5.4.3.4,
page 39)
.

Peristaltic pump – pump
tubing defective.

Replace pump tubing.

Greater rise in the
baseline

Suppressor – reduced
capacity.

Regenerate the suppressor (see Chapter
5.4.3.2, page 36)
.

Precision problems -
significant scatter-
ing of the measured
values

MCS – vacuum too low.

Check connectors. If they are ok:

Contact the Metrohm Service.