Metrohm 882 Compact IC plus – Anion - Manual (Page 93)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Troubleshooting
882 Compact IC plus – Anion ￭￭￭￭￭￭￭￭ 83
Problem Cause Remedy
Peristaltic pump –
insufficient or no
delivery rate Peristaltic pump – contact
pressure too weak. Correctly set contact pressure (see "Set flow
rate", page 41).
Peristaltic pump – filter
blocked. Replace the filter (see Chapter 5.10.2.2, page
72).
Peristaltic pump – pump
tubing defective. Replace pump tubing (see Chapter 5.10.2.1,
page 71).
Very noisy baseline High pressure pump – con-
taminated pump valves. Clean pump valves (see Chapter 5.5.2, page
57).
Eluent – Leak in the eluent
path. Check the eluent path.
Eluent – Blockage in the
eluent path. Check the eluent path.
High pressure pump –
defective piston seals. Replace (see Chapter 5.5.2, page 57) piston
seals .
Pulsation absorber not
connected. Connect pulsation absorber (see Chapter 3.11,
page 33).
Pulsation absorber not
connected. or defective. Connect pulsation absorber (see Chapter 3.11,
page 33). or replace it.
Background conduc-
tivity too high Suppressor – not connec-
ted. Connect the suppressor (see Chapter 3.14.1,
page 42).
Incorrect eluent. Change the eluent (see Chapter 5.4.2.3, Page
56).
Suppressor – regeneration
or rinsing solution flow
problems. Check the flow of the regeneration solution
and the rinsing solution.
Data of the separa-
tion column cannot
be read. Column chip contamina-
ted. Clean the contact surfaces of the column chip
(with alcohol).
Column chip defective. 1. Save column configuration in MagIC Net™.
2. Notify Metrohm Service.
Individual peaks
greater than expec-
ted Sample – carry-over of the
samples from previous
measurement. Rinse system longer between two samples.