Martin-christ Epsilon 2-6D LSCplus Manuel d'utilisateur Page 91
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Freeze-dryer EPSILON 2-6 LSCplus
7 Malfunctions and error correction
Version 10/2012, Rev. 1.6 of 16/12/2014 • sb
91
Translation of the original operating manual
7.1.2.2 Aeration valve, media drain valve
A malfunction of the aeration valve or the media drain valve may have
several causes. One potential source are contaminants such as product
residues within the valve.
• Switch the freeze-dryer off and disconnect the mains plug.
• Clean the valve (see chapter 8.1.1.3 - "Aeration valve, media drain
valve").
• Put the freeze-dryer into operation again.
If there is still a leakage, the freeze-dryer must be checked by qualified
specialist personnel (see chapter 7.3 - "Service contact").
Pos: 181 /01 0 Uni v ersal mod ule/L eerz ei le @ 0\m od_ 120 211624 450 0_0. doc x @ 11 4 @ @ 1
Pos: 182 /20 0 Chri st/3 60 GT-BA Labo r-Pi lot (STAND ARD MODU LE)/0 70 Stö run gen und Fe hlers uche /07 0-0010 -00 20-0025 D ruc kste uerv entil @ 25\ mod_1 4049 840 63525_ 68.d ocx @ 184 209 @ 4 @ 1
7.1.2.3 Pressure control valve
A malfunction of the pressure control valve may have several causes.
NOTE
The inspection of the valve must be carried out by qualified specialist
personnel (see chapter 7.3 - "Service contact").
Pos: 183 /01 0 Uni v ersal mod ule/L eerz ei le @ 0\m od_ 120 211624 450 0_0. doc x @ 11 4 @ @ 1
Pos: 184 /20 0 Ch rist/3 60 G T-BA L abo r-Pilot (S TANDA RDMOD U LE)/0 70 Stö run gen und Fe hlers uche /07 0-0010 -00 20- 0030 G ummiv entile @ 2 5\m od_1404 984 064 588 _68.doc x @ 18 422 3 @ 4 @ 1
7.1.2.4 Rubber valves
In order to identify a leaking rubber valve, the valves must be checked
individually:
• Remove the rubber valve and seal the connection at the drying
chamber with a rubber stopper.
• Check the tightness under vacuum until the leaking valve has been
localised.
• Clean the valve or replace it if necessary.
Pos: 185 /01 0 Uni v ersal mod ule/L eerz ei le @ 0\m od_ 120 211624 450 0_0. doc x @ 11 4 @ @ 1
Pos: 186 /20 0 Ch rist/3 60 G T-BA L abo r-Pilot (S TANDA RDMOD U LE)/0 70 Stö run gen und Fe hlers uche /07 0-0010 -00 20- 0040 Vaku um messs ond e @ 2 5\mod_ 140 498 4065 691_68 .docx @ 18 423 7 @ 4 @ 1
7.1.2.5 Vacuum sensor
Vacuum sensors have a limited service life and can be ordered as spare
parts (e.g. VSP62/63, order no. 125468).
Functional test:
• Connect the vacuum sensor directly to the suction side connector of the
vacuum pump.
If a final pressure of at least 0.011 mbar is reached (with a vacuum pump
that has reached its operating temperature), the sensor and the vacuum
pump are OK.
Pos: 187 /01 0 Uni v ersal mod ule/S eit enwec hsel @ 0\m od_ 120 211 624 4312 _0. docx @ 10 5 @ @ 1
- Operating Manual 1
- Table of contents 8
- 1 General information 9
- 1.3 Warranty and liability 10
- 1.4 Copyright 10
- 1.5 Explanation of symbols 10
- 1.7 Scope of supply 11
- Air-cooled freeze-dryer: 14
- 2.1.2 Name plate 16
- 2.2 Mode of operation 17
- Sublimation 18
- 2.2.2 Freeze-drying process 19
- 3 Safety 23
- 3.4 Operating personnel 25
- 3.6 Safety instructions 26
- 3.6.2 Mechanical safety 27
- 3.6.3 Fire prevention 28
- 3.6.4 Thermal safety 28
- 3.7 Safety devices 29
- 3.9 Remaining hazards 30
- 4 Storage and transport 31
- 4.4 Packaging 32
- 4.6 On-site transport 33
- 5 Set-up and connection 34
- 5.4 Vacuum sensor 36
- 5.6 Aeration valve 38
- 5.7 Media drain valve 39
- 5.9 Vacuum pump 39
- 5.10 Pressure control valve 40
- 5.11 Rubber valves 41
- 6 Operation 42
- 6.5 LSCplus control system 43
- 6.5.2 Manual freeze-drying 67
- 7.1 General malfunctions 88
- 7.1.1 Power failure 89
- 7.1.2 Insufficient vacuum 90
- 7.3 Service contact 93
- 8 Maintenance and service 94
- 8.1.2 Vacuum pump 97
- 8.1.4 Vacuum sensor 98
- 8.1.5 Accessories 98
- 8.3 Maintenance schedule 100
- 8.4 Service 102
- 9 Disposal 104
- 10 Technical data 105
- 10 Technical data 106
- 10.1 Ambient conditions 107
- 11 Appendix 108
- 11 Appendix 110
- "Plexiglas" 111
- 12 Glossary 129
- 13 Index 131
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