Metrohm 930 Compact IC Flex User Manual

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7 Troubleshooting
930 Compact IC Flex Oven/SeS/PP (2.930.2500)
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97
7 Troubleshooting
Problem Cause Remedy
Marked drop in
pressure.
Leak in the system. Check the capillary connections and seal leaks,
if necessary (see chapter 4.2, page 15).
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 –
Contaminated pump
valves.
Clean the pump valves (see chapter 6.7, page
66).
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 6.7, page
66).
MCS – The
CO
2
adsorber cartridge CW
is depleted.
Replace the CO
2
adsorber cartridge CW (see
chapter 6.13.1, page 93).
The pulsation absorber is
not connected or is defec-
tive.
Connect (see chapter 4.9, page 27) or replace
the pulsation absorber.
MCS – The vacuum pump is
defective.
Contact Metrohm Service.
The baseline is drift-
ing.
Thermal equilibrium is not
yet attained.
Condition the instrument with the column
oven switched on (see chapter 4.21, page 57).
Leak in the system. Check all capillary connections and seal leaks,
if necessary (see chapter 4.2, page 15).
The organic solvent in the
eluent is evaporating.
￭ Check the eluent bottle cap (see chapter
4.6, page 22).
￭ Constantly stir the eluent.

Metrohm 930 Compact IC Flex Specifications

General

Brand	Metrohm
Model	930 Compact IC Flex
Category	Laboratory Equipment
Language	English