Metrohm 850 Professional IC Anion MSM-HC MCS Prep 1 - Manual (Page 124)

6.1 Problems and their solutions
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
114 ￭￭￭￭￭￭￭￭
850 Professional IC – Anion MSM-HC – MCS – Prep 1
Problem Cause Remedy
Eluent – Gas bubbles in the
eluent. Check connections of the eluent degasser (see
Chapter 3.9, page 41).
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.