5.3 Faults and malfunctions
792 Basic IC
157
Malfunction
Cause
Rectification
Chromatograms
with poor resolu-
tion, change in the
retention times
x
Deterioration in
separation efficiency of
the IC column
x
Regenerate column (see
section 5.1.1
) or replace
column
Extreme peak
broadening,
splitting (double
peaks)
x
Dead volume at the
column ends
x
Fill column with glass
beads (
d
100
P
m) or
replace column
No feed of
regeneration or
rinsing solution
for suppressor
x
Contact pressure too
low
x
Leak in system
x
Defective pump tubing
x
Contamination of the
filter in the 6.2821.100
Filter unit PEEK
x
Counterpressure at
suppressor module too
high
x
Adjust contact pressure
(see
section 2.9.2
)
x
Check connections and
make leakproof
x
Replace pump tubing (see
section 5.2.9
)
x
Replace the 6.2821.110
Filter (see
section 2.3.5
)
x
Clean or replace suppres-
sor (see
section
5.2.6
}
5.2.8
)
Summary of Contents for 2.792.0020 Basic IC
Page 53: ...2 Installation 792 Basic IC 44...
Page 197: ...6 Appendix 792 Basic IC 188...