Metrohm 850 Professional IC Cation - Prep 2 User Manual
Page 101
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5 Troubleshooting
850 Professional IC – Cation – Prep 2
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91
Problem
Cause
Remedy
■
Replace separation column (see "Connect-
ing and rinsing the separation column",
page 60).
Eluent – Gas bubbles in the
eluent.
Check connections of the eluent degasser (see
Chapter 2.9, page 34).
High pressure pump –
defective.
Request Metrohm Service.
Vacuum is not being
built
Eluent Degasser – Connec-
tor Vacuum on the rear of
the instrument not (tightly)
sealed.
■
Seal the connector Vacuum tightly with a
6.144.6040 threaded stopper.
or when using an 872 Extension Module:
■
Connect an FEP tubing between the IC
instrument and the Extension Module and
tighten both clamping screws until they
seal.
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