Inficon Sensistor Sentrac Operating instructions

Service Instructions
Sensistor Sentrac
Hydrogen Leak Detector
nip65en1-05-(1901)
Catalog No.
SEN.122.160, SEN.122.161
From software version

INFICON AB
Westmansgatan 47F
S-58216 Lingköping
Sweden

INFICON Table of Contents
Sensistor Sentrac-Leak Detector-ServiceManual-nip65en1-05-(1901) iii
Table of Contents
1 Safety During Service.......................................................................................................................................5
1.1 Definition of Warning, Caution and Notice................................................................................................5
1.2 Safety Instructions ....................................................................................................................................5
2 General Information..........................................................................................................................................7
2.1 About this Document ................................................................................................................................7
2.2 Document History .....................................................................................................................................7
2.3 Versions....................................................................................................................................................7
2.4 Password ..................................................................................................................................................7
3 Components .....................................................................................................................................................8
3.1 Exploded View (Desktop Model)...............................................................................................................8
3.2 Exploded View (Portable Model) ............................................................................................................12
3.3 Exploded View (Hard Neck)....................................................................................................................16
3.4 Interior View (Desktop Model) ................................................................................................................18
3.5 Interior View (Portable Model) ................................................................................................................19
4 Troubleshooting..............................................................................................................................................21
4.1 Faulty Symptoms ....................................................................................................................................21
4.2 Hardware Error Messages......................................................................................................................22
5 Service Instructions ........................................................................................................................................25
5.1 Safety Equipment, Tools and Consumables...........................................................................................26
5.2 Remove the Cover..................................................................................................................................28
5.3 Remove Accessories Plate.....................................................................................................................29
5.4 Changing Fuses (Desktop Model) ..........................................................................................................30
5.5 Changing Power Supply (Desktop Model)..............................................................................................31
5.6 Changing Battery (Portable Model) ........................................................................................................34
5.7 Changing Main PCB ...............................................................................................................................36
5.8 Changing Front Panel.............................................................................................................................38
5.9 Changing Display....................................................................................................................................41
5.10 Changing LED Lamp ..............................................................................................................................44
5.11 Changing Speaker ..................................................................................................................................46
5.12 Changing Rubber Foot ...........................................................................................................................48
5.13 Open Probe P60 Cover ..........................................................................................................................49
5.14 Changing Probe PCB with Display .........................................................................................................51

Table of Contents INFICON
iv Sensistor Sentrac-Leak Detector-ServiceManual-nip65en1-05-(1901)
5.15 Changing Probe P60 Display Glass .......................................................................................................52
5.16 Changing Probe P60 LED Lamps...........................................................................................................54
5.17 Changing Probe P60 Button ...................................................................................................................55
5.18 Changing Probe Neck.............................................................................................................................56
5.19 Changing Probe O-rings .........................................................................................................................57
5.19.1 Changing Nut O-ring ................................................................................................................... 57
5.19.2 Changing Probe neck O-ring ...................................................................................................... 58
5.20 Changing Sensor ....................................................................................................................................59
5.21 Functional Verification ............................................................................................................................60
5.21.1 Functional Verification of Sensitor Sentrac ................................................................................. 60
5.21.2 Visual verification of Sensistor Sentrac Battery surface finish .................................................... 62
6 Software .........................................................................................................................................................63
6.1 Software update......................................................................................................................................63
6.2 Warning List............................................................................................................................................63
6.3 Service Screen .......................................................................................................................................64
6.3.1 Signals ........................................................................................................................................ 64
6.3.2 Locating Graph ........................................................................................................................... 64
6.3.3 Debug Settings ........................................................................................................................... 64
6.3.4 Test Board .................................................................................................................................. 65
6.4 Impact of different Settings .....................................................................................................................65
6.5 Settings Reset ........................................................................................................................................69
6.6 Reset to Factory Default .........................................................................................................................70
6.7 Reset Calibration ....................................................................................................................................70
7 Drawings.........................................................................................................................................................71
Index...............................................................................................................................................................74

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1 Safety During Service
1.1 Definition of Warning, Caution and Notice
WARNING
Indicates procedures that must be strictly observed to prevent hazards to
persons
CAUTION
Indicates procedures that must strictly be observed to prevent damage to or
destruction of the instrument
NOTICE
Information regarding making the service/maintenance of the product easier or
a possible operational technical disadvantage
1.2 Safety Instructions
Pay attention to the Warnings, Cautions and Notices in the User Manual for the
product before operation.
Failure to observe the following precautions could result in serious personal injury:
WARNING
Electrical hazard
When service or maintenance is performed on an open instrument, there is a risk of
electrical shock.
Failure to observe the following precautions could result in damage to the equipment:

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CAUTION
During service at the Service Center, all electronic cards must be handled exclusively
in an ESD Protected Area (EPA).
Electronic card must be transported from one EPA to another only in ESD shielding
packages.
CAUTION
On Customers site, during exchange or maintenance of electronic card, the service
personnel must wear an ESD coat and use disposable wristband.
NOTICE
Check that all relevant legislation and safety standards are complied with before the
Sensistor Sentrac is taken into service.

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2 General Information
Read this Manual carefully before putting your instrument into service. When reading,
pay particular attention to the WARNINGS, CAUTIONS and NOTICES found
throughout the text.
2.1 About this Document
This document is only intended for INFICON service personnel working with the
Sensistor Sentrac Leak Detector.
2.2 Document History
Revision Date Remark
a 03-2015 First public release
02 12-2016 Second public release
03 06-2018 Third public release
04 01-2019 Fourth public release
2.3 Versions
This manual applies to the product versions below.
Unit Name Software Version
Leak Detector Sensistor Sentrac 1.01.01 or higher
Hand Probe P60 1.01.01 or higher
For more information about the latest software versions, please contact your local
INFICON office.
2.4 Password
The service password is: 4711 (the old password 7367 is still working).
This password is not intended for end users and should not be re-distributed.

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3 Components
3.1 Exploded View (Desktop Model)

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Pos Part Part no. Pos Part Part no
1 Instrument front panel 598-192 23 Torx screw M4x8 MRT 8.8 FZB 591-260
2 Instrument casing 598-194 24 Screw M3x8 591-607
3 Mounting bracket 598-195 25 Lock washer M3 AZ FZB 591-775
4 Mounting chassis 598-196 26 Connection label 598-197
5 LCD color display 591-825 30 Power supply RS-75-24 591-971
6 Display plate 1 598-201 33 Mains input (with filter) 591-812
7 Display plate 2 598-202 36 Device label desktop model 598-199
8 Main PCB Sentrac with display 591-823 38 KB1117 24VAC with display 591-833
9 Battery Li 3V CR1220 591-780 40 KB1024 AC power 591-772
10 Light guide 598-193 41 LCD data flat cable 591-836
11 Rubber foot 591-786 42 Sign Serial Number 598-256
12 Distance M3x50 591-832 43 Fuse Holder 591-577
13 Plastic door to expansion 591-824 44 Fuse 2A T 591-578
14 Conductive profile 591-829 45 Sign Manufacturing Year 2014 598-255
15 KB1114 speaker 591-826 46 Screen protector
Sensistor Sentrac
598-436
16 Speaker gasket 598-205 100 Sentrac Display Kit 597-005
17 KB1112 Blue LED 591-827 101 Sentrac Main PCB Kit 597-006
18 Environment gasket 598-206 102 Sentrac Front Panel Kit 597-007
19 KB1018 headphone cable 591-779 103 Sentrac Speaker Kit 597-008
20 KB1016 Probe cable 591-770 104 Sentrac Main Input Kit 597-009
21 Torx screw M3x6 MRT 8.8 FZB 591-485 107 Sentrac Special Tools Kit 597-012
22 Torx screw M3x4 MRT 8.8 FZB 591-831 Sensistor Sentrac Software
Installer
591-964

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3.2 Exploded View (Portable Model)

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Pos Part Part no. Pos Part Part no
1 Instrument front panel 598-192 24 Screw M3x8 591-607
2 Instrument casing 598-194 25 Lock washer M3 AZ FZB 591-775
3 Mounting bracket 598-195 26 Connection label 598-197
4 Mounting chassis 591-825 30 Power switch panel 598-203
5 LCD color display 598-201 33 Rocker switch 591-328
6 Display plate 1 598-202 36 Li-onbattery 14,8V, KB1029 Battery
pack
591-782
7 Display plate 2 591-823 38 Battery bracket 598-172
8 Main PCB Sentrac with display 591-823 40 Battery protection 598-178
9 Battery Li 3V CR1220 591-780 41 Device label Portable Model 598-198
10 Light guide 598-193 42 KB1117 24VDCr 591-833
11 Rubber foot 591-786 43 KB1118 battery input 591-828
12 Distance M3x50 591-832 44 KB1024 AC power cable 591-772
13 Plastic door to expansion 591-824 45 LCD data flat cable 591-836
14 Conductive profile 591-829 46 Sign Serial Number 598-256
15 KB1114 speaker 591-826 100 Sign Manufacturing Year 598-255
16 Speaker gasket 598-205 101 Screen protector, Sensistor Sentrac 598-436
17 KB1112 Blue LED 591-827 102 Sentrac Display Kit 597-005
18 Environment gasket 598-206 103 Sentrac Main PCB Kit 597-006
19 KB1018 headphone cable 591-779 104 Sentrac Front Panel Kit 597-007
20 KB1016 Probe cable 591-770 107 Sentrac Speaker Kit 597-008
21 Torx screw M3x6 MRT 8.8 FZB 591-485 Sentrac Main Input Kit 597-009
22 Torx screw M3x4 MRT 8.8 FZB 591-831 Sentrac Special Tools Kit 597-012
23 Torx screw M4x8 MRT 8.8 FZB 591-260 Sensistor Sentrac Software Installer 591-964
Letter screw 591-994

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3.3 Exploded View (Hard Neck)

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Pos Probe Hard Neck Part no. Probe Flex Neck Part no.
1 P60 probe handle upper part 598-245 P60 probe handle upper part 598-245
2 Display glass 2.0 OLED 598-259 Display glass 2.0 OLED 598-259
3 P60 probe handle lower part 598-247 P60 probe handle lower part 598-247
4 Button 598-181 Button 598-181
5 Probe pipe 598-162 Processed Flexpipe 598-162
6 Nut, probe tip 598-160 Nut, probe tip 598-160
7 Sensor for P50 590-292 Sensor for P50 590-292
8 Probe PCB P60 with display 598-248 Probe PCB P60 with display 598-248
9 O-ring 8x1 NBR70 591-284 O-ring 8x1 NBR70 591-284
10 Torx screw MRT M3x20H fzb 591-982 Torx screw MRT M3x20H fzb 591-982
11 Lock washer AZ 3,2 fzb 591-141 Lock washer AZ 3,2 fzb 591-141
12 KB1028 white LED 591-801 KB1028 white LED 591-801
13 KB1027 sensor cable 591-794 KB1027 sensor cable 591-794
5+13 Replacement hard neck for
Hand Probe
592-054 Replacement flex neck for Hand
Probe
592-055
14 Torx screw MRT M3x6 fzb 591-485 Torx screw MRT M3x6 fzb 591-485
15 Torx screw MRT M3x6 fzb 591-485 Hex hollow screw MRT M3x4 fzb 591-980
16 Seal OLED-display 598-243 Seal OLED-display 598-243
19 Adhesive Display glass 598-260 Adhesive Display glass 598-260
100 TGF11/P60 Display Glas Kit 597-001 TGF11/P60 Display Glas Kit 597-001
101 P60 Display Kit 597-000 P60 Display Kit 597-000
Sensistor Sentrac Software
Installer
591-964 Sensistor Sentrac Software
Installer
591-964

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3.4 Interior View (Desktop Model)
Pos Description
1 Slot for Expansion Module
2 Slot for SD Card
3 USB Port
4 Communication Port
5 Device Port
6 Speaker
7 Front Panel
8 Instrument Casing
9 LED Lamp
10 Power Supply

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Pos Description
11 Display
12 Accessories Plate
13 Main PCB
14 Fuses
3.5 Interior View (Portable Model)

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Pos Description
1 Slot for Expansion Module
2 Slot for SD Card
3 USB Port
4 Device Port
5 Connection Port
6 Speaker
7 Front Panel
8 Instrument Casing
9 LED Lamp
10 Power Supply
11 Display
12 Accessories Plate
13 Main PCB