Metrohm 930 Compact IC Flex, Руководство пользователя

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6.1
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90
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930 Compact IC Flex SeS (2.930.1400)
6 Troubleshooting
Problem Cause Remedy
Marked drop in
pressure. Leak in the system. Check the capillary connections and seal leaks,
if necessary
(see Chapter 3.2, page 13) .
The baseline has a
large amount of
noise. The eluent path has a leak. Check the eluent path and fix the leak.
If necessary, tighten the pressure screws using
a wrench (6.2739.000).
High-pressure pump – Con-
taminated pump valves. Clean the pump valves (see Chapter 5.6, page
59) .
The eluent path is blocked. Check the eluent path and eliminate the block-
age.
Contaminations in the elu-
ent Check the quality of the chemicals and the
water.
High-pressure pump –
Defective piston seals. Replace the piston seals (see Chapter 5.6,
page 59) .
MCS – The
CO
2
adsorber cartridge CW
is depleted.
Replace the CO
2
adsorber cartridge CW (see
Chapter 5.11.1, page 85) .
The pulsation absorber is
not connected or is defec-
tive. Connect (see Chapter 3.8, page 25) or replace
the pulsation absorber.
MCS – The vacuum pump is
defective. Contact Metrohm Service.
The baseline is drift-
ing. Leak in the system. Check all capillary connections and seal leaks,
if necessary
(see Chapter 3.2, page 13) .
The organic solvent in the
eluent is evaporating.
￭
Check the eluent bottle cap (see Chapter
3.5, page 19) .
￭
Constantly stir the eluent.
The pressure in the
system markedly
increases. The inline filter
(6.2821.120) is blocked. Replace the filter (6.2821.130) .