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Diesse Chorus Trio Service Manual
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SERVICE
MANUAL
FOR CHORUS TRIO (REF. 81200) AND CHORUS TRIO RAS (REF. 81220)
REV
IS
ION 1 Issued in April 2021
Software version 7.
xx
THIS MANUAL IS TO BE USED FOR CHORUS TRIO INSTRUMENTS STARTING
FROM S/N 4000 OR UPDATED WITH CHORUS EXPANDER UPGRADE KIT
(REF 83600)
FOR IN VITRO DIAGNOSTI
C USE ONLY
2
Table of Contents
Table of Contents
7
Moving the Strips
11
The Workstations
11
The Tray
12
Tray Rotation
12
Absolute Sensor
14
Step Check
14
Synchronization
15
Strip Housing
16
Tray Lock
17
Calibrations and Control Parameters
17
Alignment and Centering of the Plate
17
Strip Recognition Unit
19
Strip Presence Sensor (SPS)
19
Check SPS Sensor (Strip Presence Sensor)
19
Internal Barcode Reader
20
Internal Barcode Reader Check and Calibration
20
Transfer Unit
22
Dispensing Hydraulic Circuit
22
The Strip, Needles and the Well
23
Dispenser
23
X-Axis Movement
25
The Syringe Unit
26
The Transfer Function
27
Transfer Function Parameters
27
The Double Dispensing Needle
27
Priming of the Dispensing and Wash Circuit
28
Withdrawal
28
Drying of the Tip
30
Perforation of the Cuvette Membrane
30
Level Detection
31
Mixing
32
Simple Transfer
33
Calibrations and Control Parameters
35
Circuit Transfer
35
Dispensers
35
X-Axis Movement
36
Level Sensor Test
37
Transfer Test
37
Strip Perforation
39
Optical Unit
40
Light Source
40
The Optical Device
40
The Optical Channel
41
Positioning of Filters
42
Optical Calibration
42
Transmittance and Absorbance
42
Alignment of the Optical Fibres
44
Calibration of the Optical Channels
46
Calibration of the Dark Electronic Offset
46
Calibration of Light Emission
46
The Control Ramp
47
Report of the Virtual Ramp
48
Control Window
50
Optical Unit Testing Procedure
51
Setting of the Optical Filter Offset
51
Calibrating the Offset (Dark Reading)
51
Calibrating the Light
51
Check of Absorbance at 650 Nm with Control Solutions
52
Check of Absorbance at 450 Nm with Control Solutions
53
WASHING Unit
55
Hydraulic Wash Circuit
55
Tank Probes
56
The Washer
57
The Drying Station
58
Collection Wells
58
Washing Procedure
60
Washing Circuit Testing Procedure
61
Supplying of Buffer from Washer #1
61
Supplying of Buffer from Washer #2
61
Washing of the Piping for Washer #1
61
Washing of the Piping for Washer #2
61
Aspiration at Drying Station #3
62
Control Parameters
62
Filling Level of Washer #1 (Step 21)
62
Filling Level of Washer #2 (Step 25)
62
The Drain Circuit
64
The Main Waste Well
64
Normal Operation
65
Obstructed Drain
66
Full Waste Tank
66
Faulty Drain Pump
67
Waste Circuit Testing Procedure
67
Checking of Waste Level Warning Sensor (WS)
67
Checking of Waste Level Error Sensor (ES)
68
Temperature Control
69
Temperature Control of the Instrument
69
Measuring Chamber
69
Heater
70
Electrical Properties of the Heater
70
Cycle Temperature
71
Stand-By Temperature
71
Procedure for Testing the Temperature Control System
71
Checking of the Instrument Temperature Sensor
71
Chamber Temperature Control
71
Strip Temperature Correction
71
Speaker-Printer Display
73
Display
73
The Speaker
73
The Printer
73
Printer Testing
74
Electronic Parts
75
General Map
75
Carrier+Imx8 Board
77
Power Supply and Connections
77
CPU 2010 Board and Driver 2010 Board
78
Power Supply
79
Description of the Test Points and CPU 2010 Board Jumpers
88
Description of the Test Points and the Driver 2010 Board Jumpers
89
Troubleshooting
89
Low Power
89
Description
89
Power Supply and Connections
89
Troubleshooting
96
Power Supply
96
Description
97
Troubleshooting
102
Connectors Board
102
Description
102
Troubleshooting
105
Service Procedures
106
Programming Firmware CPU 2010
106
Service Application
106
Successful Connection with CPU 2010 Board
106
Unsuccessful Connection with CPU 2010 Board
107
Firmware Upload on the CPU 2010 Board
108
Replacement of the Carrier+Imx8 Board
110
Methods Saving
110
Calibrations Saving
111
Software Upgrade on the Carrier+Imx8 Board
111
Methods and Calibrations Upload on the Carrier+Imx8 Board
113
Programming Barcode Reader Zebex Z 3080
114
Connect the Reader to the Instrument through the RS232 Cable
114
Disconnect the RS232 Cable
114
Programming Parameters
115
Maintenance
120
Routine Maintenance
120
Periodic Maintenance
120
Wash Well for the Dispenser Needles
121
Dispensers #1 and #2
123
X-Axis Guide
123
Washers 21 - 25 - 28
124
Optical Unit
125
Washer Wells
127
Upper Plate
128
Carousel
128
Peristaltic Pumps
128
Diaphragm Pump
129
Hydraulic Waste and Syringe Unit
129
Hydraulic Unit
130
Syringe Unit
130
Rotation
131
Tray Synchronization Device
131
Led Box and Filter Handler
131
Tank Probes
131
Tubing
132
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Diesse Chorus Trio Specifications
General
Brand
Diesse
Model
Chorus Trio
Category
Laboratory Equipment
Language
English
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