Metrohm 882 Compact IC plus – Anion – MCS User Manual
Page 102
6.1 Problems and their solutions
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882 Compact IC plus – Anion – MCS
Problem
Cause
Remedy
MCS – not connected.
Connect the MCS.
Peristaltic pump –
insufficient or no
delivery rate
Peristaltic pump – contact
pressure too weak.
Correctly set contact pressure (see "Set flow
rate", page 44).
Peristaltic pump – filter
blocked.
Replace the filter (see Chapter 5.10.2.2, page
79).
Peristaltic pump – pump
tubing defective.
Replace pump tubing (see Chapter 5.10.2.1,
page 78).
Very noisy baseline
High pressure pump – con-
taminated pump valves.
Clean pump valves (see Chapter 5.5.2, page
64).
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 64) piston
seals .
MCS –
CO
2
adsorption cartridge
exhausted.
Replace CO
2
adsorption cartridge (see Chapter
Pulsation absorber not
connected.
Connect pulsation absorber (see Chapter 3.11,
page 35).
Pulsation absorber not
connected. or defective.
Connect pulsation absorber (see Chapter 3.11,
page 35). or replace it.
MCS – vacuum pump
defective.
Contact the Metrohm Service.
Background conduc-
tivity too high
Suppressor – not connec-
ted.
Connect the suppressor (see Chapter 3.14.1,
page 45).
MCS – not connected.
Connect the MCS.
Incorrect eluent.
Change the eluent (see Chapter 5.4.2.3, Page
63).
Suppressor – regeneration
or rinsing solution flow
problems.
Check the flow of the regeneration solution
and the rinsing solution.