Metrohm 850 Professional IC AnCat MCS User Manual Page 110
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- Table of contents
- TROUBLESHOOTING
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5.1 Problems and their solutions
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
100
￭￭￭￭￭￭￭￭
850 Professional IC – AnCat – MCS
5 Troubleshooting
5.1 Problems and their solutions
Problem Cause Remedy
Marked drop in
pressure
Leak in the system. Check and seal connections (see Chapter 2.5,
page 14).
Marked rise in pres-
sure
6.2821.120 inline filter
blocked.
Replace 6.2821.130 filter (see Chapter 4.6,
page 83).
MSM – blocked. ￭ Regenerate the MSM (see Chapter
4.11.3.1, page 88).
Note: 6.2821.180 pump tubing connection
with filter must be used (29-3).
Conductivity detector
blocked.
￭ Shorten capillary ends by several mm (see
Chapter 4.14.1, Page 97).
￭ Rinse detector against the normal flow
direction (see Chapter 4.14.1, Page 97).
Guard column – blocked. Replace guard column (see Chapter 2.21,
page 62).
Separation column –
blocked.
￭ Regenerate separation column (see Chap-
ter 4.15.4, page 98).
￭ Replace separation column (see "Connect-
ing and rinsing the separation column",
page 65).
Note: Samples should always be microfiltered
(see Chapter 4.7, page 85).
Injection valve – valve
blocked.
Have the valve cleaned (by Metrohm service
technicians).
Drift of the baseline Thermal equilibrium not yet
attained.
Condition (see Chapter 2.15, page 44) instru-
ment with the column thermostat switched
on .
Leak in the system. Check and seal connections (see Chapter 2.5,
page 14).
- 850 Professional IC 1
- Table of contents 5
- 3 Start-up 66 6
- 5 Troubleshooting 100 7
- 8 Accessories 116 8
- Index 131 8
- Table of figures 9
- ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 10
- ￭￭￭￭￭￭￭￭ 10
- 1 Introduction 11
- 1.1 Instrument description 12
- 1 Introduction 13
- 1.2 Intended use 15
- 1.3 About the documentation 15
- 1.4 Safety instructions 16
- 1.4.5 Recycling and disposal 18
- 2 Installation 19
- 2.3 Flow diagram 21
- Regeneration solution 22
- Rinsing solution 22
- Sample optional 22
- 2 Installation 23
- 2.4.1 Packaging 24
- 2.4.2 Checks 24
- 2.4.3 Location 24
- 2.6 Rear of the instrument 26
- 2.6 Rear of the instrument 28
- Detector 1 29
- Detector 2 29
- 2.6.4 Leak sensor 31
- 2.6.5 Drainage tubing 32
- Figure 8 Drainage tubing 33
- 2) and (8-4) 33
- 2.8 Eluent 37
- 2.8 Eluent 38
- 2.9 Eluent degasser 41
- 2.10 High pressure pump 42
- 2.10 High pressure pump 44
- 2.11 Inline filter 47
- 2.12 Pulsation damper 48
- 2.13 Sample degasser 50
- 2.14 Injection valve 51
- 2.14 Injection valve 52
- 2.15 Column thermostat 54
- Figure 25 Column thermostat 55
- 2.16.2 Connecting the MSM 57
- 2.17 Peristaltic pump 60
- 2.17 Peristaltic pump 62
- 2.18 Metrohm CO 65
- 2.19 Conductivity detector 68
- 2.19 Conductivity detector 70
- 2.21 Guard column 72
- 2.22 Separation column 74
- 3 Start-up 76
- 3.2 Conditioning 77
- 4 Operation and maintenance 79
- 4.2 Capillary connections 80
- 4.3 Door 81
- 4.4 Eluent 81
- 4.5 High pressure pump 82
- 4.5.2 Maintenance 83
- 4.5 High pressure pump 84
- 4.6 Inline filter 93
- 4.8 Rinsing the sample path 95
- 4.9 Sample degasser 97
- 4.10 Injection valve 97
- 4.11.3 Maintenance 98
- 4.12 Peristaltic pump 103
- 4.12.2 Maintenance 104
- 4 Operation and maintenance 105
- 4.13 Metrohm CO 106
- suppressor (MCS) 106
- 4.15 Separation column 107
- 4.14 Conductivity detector 107
- 4.15.2 Protection 108
- 4.15.3 Storage 108
- 4.15.4 Regeneration 108
- 5 Troubleshooting 110
- 5 Troubleshooting 111
- 6 Technical specifications 115
- 6.5 Housing 116
- 6.6 Eluent degasser 116
- 6.7 High pressure pump 116
- 6.8 Sample degasser 117
- 6.9 Injection valve 117
- 6.10 Column thermostat 118
- 6.12 Peristaltic pump 118
- 6.13 Metrohm CO 119
- 6.15 Mains connection 120
- 6.16 Interfaces 120
- 6.17 Safety specification 121
- 6.19 Weight 121
- 7 Conformity and warranty 122
- 7.3 Warranty (guarantee) 124
- 8 Accessories 126
- 8 Accessories 127
- 8.1 Scope of delivery 128
- 8.2 Optional accessories 137
- 8.2 Optional accessories 138
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