Zeiss AURA handheld NIR Operating instructions

Maintenance and Repair Manual
Revision 2 | 2298-971 & 2289-955
Carl Zeiss Spectroscopy GmbH
AURA®handheld NIR

Knowledge of this manual is required for the repair and maintenance of the device. You should therefore familiarize
yourself with the contents of this manual and pay special attention to instructions concerning the safe operation of
the device.
We reserve the right to make changes in the interest of technological advancement; the user manual is not subject
to updating or revision.
© Unless explicitly authorized, dissemination or duplication of this document and commercial exploitation or
communication of its contents are not permitted. Persons in contravention of this copyright shall be liable to pay
compensation for damages.
All rights reserved in the event of a patent grant or registration of a utility patent.
Caution
GENERAL HAZARD
Observe the safety instructions in the “AURA®handheld NIR” User Manual, publication number:
UM AURA®handheld NIR - 2298-971 / E or UM AURA®handheld NIR - 2289-955 / E.
Note
Further information on the proper use of the measurement system can be found in the
“AURA®handheld NIR” User Manual.
Note
A comprehensive set of information and downloads for the AURA handheld NIR can be found in
the Zeiss info portal: www.zeiss.com/info-ah.
Carl Zeiss Spectroscopy GmbH
Carl-Zeiss-Promenade 10
07745 Jena, Germany
Service: + 49 3641 64-3200
Phone: + 49 3641 64-2838
Email: [e-mail]
www.zeiss.com/spectroscopy
EN_40_070_0030I | 2021-07
Design, scope of delivery and technical information subject to change. © Carl Zeiss Spectroscopy GmbH

3
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
Table of content
1 About this manual 4
2 Safety 5
2.1 General safety notes 5
2.2 Information on environmental protection 6
2.3 Warranty and liability 6
3 Changing the display 8
4 Replacing the halogen lamp 14
5 Changing the lamp cable (optional) 16
6 Changing the motor 18
7 Calibrating the compensation data 27
8 Accessories and spare parts for AURA handheld NIR - Rev. 2 38
Contents
List of illustrations
Fig. 1 Remove battery (2298-971) 8
Fig. 2 Remove battery (2289-955) 9
Fig. 3 Remove the rubber display protectors 9
Fig. 4 Remove the slotted screws on the rear of the device 10
Fig. 5 Remove the Torx screws on the display side and lift out the display 11
Fig. 6 Disconnect the display cable 12
Fig. 7 Lay down the display 13
Fig. 8 Remove the lamp holder with halogen lamp 14
Fig. 9 Remove the halogen lamp 15
Fig. 10 Disconnect the lamp cable from the halogen lamp 16
Fig. 11 Disconnect the lamp cable from the circuit board 17
Fig. 12 Remove the fastening screws on the front panel 18
Fig. 13 Remove the front panel 19
Fig. 14 Remove the motor holder 20
Fig. 15 Dismantle the white reference assembly 21
Fig. 16 Pull out the motor with its cable 21
Fig. 17 Dismantle the semicular mount 22
Fig. 18 Mount the semicular mount 22
Fig. 19 Install new motor 23
Fig. 20 Attach the white reference assembly 23
Fig. 21 Install motor holder 24
Fig. 22 Lay the cable and insert the front panel 25
Fig. 23 Laying the cable - details 26
Fig. 24 Prepare device for calibration 28

4
About this manual AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
1 About this manual
Welcome to the Maintenance & Repair Manual of the AURA handheld NIR device.
The information contained in this manual will enable you to carry out repairs and
replace components properly and safely.
Familiarize yourself with the contents of this manual, follow the instructions and
observe the safety information.
The AURA handheld NIR may only be repaired and maintained by suitably
qualied and trained personnel.
This maintenance and repair manual is therefore intended both for the specialist
personnel responsible for setting up the device and using it on site and for
persons authorized to issue instructions. The manual allows them to full their
duty of instruction.
Experience in handling measurement technology is required, as is training in an
engineering or scientic discipline.
Keep the operating manual, together with all applicable documents issued upon
purchase and delivery, in a safe place.
Ensure that the operating manual and all applicable documents are readily
available to all users at all times.
Purpose of manual
Readership
Storage

5
Safety
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
2 Safety
2.1 General safety notes
Caution
GENERAL HAZARD
All activities listed below may only be performed by Service employees of
Carl Zeiss Spectroscopy GmbH or by appropriately trained personnel.
Caution
HAZARD FROM ELECTRIC ENERGY
Remove the battery from the device before carrying out any of the
activities described below.
Caution
HAZARD FROM THERMAL ENERGY
Allow the halogen lamp to cool down for approx. 10 minutes before
removing it.
Caution
SENSITIVE OPTICAL COMPONENTS
Only carry out work on optical components in a very clean working
environment.
Do not touch the glass bulb of the new halogen lamp without cotton
gloves.
Caution
SENSITIVE ELECTRONIC COMPONENTS
Perform all the following activities at an ESD workstation.

6
Safety AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
2.2 Information on environmental protection
Our company operates a certied environmental management system
in accordance with ISO 14001. The product was developed, tested and
manufactured in conformance with the applicable regulations and environmental
directives of the European Union.
The product and its accessories comply with EU directives 2011/65/EC (RoHS 2)
and 2012/19/EC (WEEE), as applicable to this product. We have set up a take-
back and recycling process that ensures proper recycling in accordance with the
above EU directives.
Please contact the sales/ service organization responsible for your region for
details on disposal and recycling. The product may not be disposed of in the
household waste or by the communal waste disposal service.
If the device is resold, the seller is obliged to inform the buyer of the correct
means of disposing of the product.
2.3 Warranty and liability
Limitation of liability and warranty
In the event of damage being incurred to the device as the result of failure to
observe the safety instructions, Carl Zeiss Spectroscopy GmbH will not accept any
warranty claims, even during the warranty period, and is exempt from statutory
accident liability obligations.
Carl Zeiss Spectroscopy GmbH will be released from its warranty obligation if the
user fails to observe the safety instructions.
Carl Zeiss Spectroscopy GmbH only guarantees the safety, reliability and
performance of the device if the safety instructions are observed.
The manufacturer guarantees that the device left the factory with no material
or manufacturing defects. Any defects must be reported to the manufacturer
immediately and steps taken to minimize possible damage. As soon as the
manufacturer becomes aware of a defect, he is obliged to remedy it at his
discretion either by repairing it or by supplying a replacement device.
Warranty claims are excluded for defects arising from natural wear (especially
wear parts) and improper use.
The manufacturer is not liable for damage caused by improper operation,
negligence or unauthorized modications to the device, in particular the
removal or replacement of components or the use of accessories from other
manufacturers. Any such action will result in the exclusion of all warranty claims.
No maintenance or repair work may be carried out on the device, with the
exception of the work described in this maintenance & repair manual. Repairs
may only be performed by ZEISS Service employees or persons authorized by
ZEISS.

7
Safety
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
Contact the Customer Service Department at Carl Zeiss Spectroscopy GmbH
(service.spectrosc[email protected]) if defects or errors arise in the device or
individual components.
INFO
NOTES ON WARRANTY
Detailed information on the warranty can be found in the General Terms
and Conditions of Carl Zeiss Spectroscopy GmbH. These can be found on
the Internet at “ https://www.zeiss.com/spectroscopy/legal-information/
company-information.html ”.

8
Changing the display AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
3 Changing the display
• The control software of the device has been shut down and the device
switched o.
• The ESD workstation and the ESD protective equipment have been made ready.
• Put the following spare parts ready:
– Display, order no. 000000-2315-414
• Put the following tools and equipment ready:
– Screwdriver TX 8
– 3 mm at tip screwdriver
1 Remove battery
Procedure for device version 000000-2298-971:
Press in the two fasteners 1on the battery compartment.
Carefully pull the cap 2 o the battery compartment.
Remove the battery 3from the battery compartment using the grip strap.
Fig. 1
1
2 3
1
Remove battery (2298-971)
Close the battery compartment back up.
Requirements
Procedure

9
Changing the display
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
Procedure for device version 000000-2289-955:
Press in the two fasteners 1on the right and left of the grip.
Carefully pull the lower battery compartment 2downwards.
Remove the battery 3from the lower battery compartment.
Fig. 2
3
1
2
1
Remove battery (2289-955)
Close the battery compartment back up.
2 Remove the rubber display protectors
Pull the two rubber display protectors 1 o the device by hand 2.
Fig. 3
2
1
1
Remove the rubber display protectors

10
Changing the display AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
3 Remove the slotted screws on the rear of the device
Unscrew the two slotted screws 2on the rear of the device 1from the
housing. Use a 3 mm at tip screwdriver for this.
Fig. 4
21
Remove the slotted screws on the rear of the device

11
Changing the display
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
4 Remove the Torx screws on the display side and lift out the display
Unscrew the six Torx screws 1on the display side from the housing.
Use a TX 8 Torx screwdriver for this.
Carefully lift the display 2straight out of the housing until the two screw
bolts 3are outside the device.
Fig. 5 Remove the Torx screws on the display side and lift out the display
2
3
1

12
Changing the display AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
5 Disconnect the display cable
Tilt the display 1to one side until you can see the display cable 2and the
connector socket 3in slot X3 on the “FBG Handheld PGS CarrierBoard”.
Pull down the latch 3.1 of the connector socket 3.2 .
Disconnect the display cable 2from slot X3.
Fig. 6
1
2
3
2
3.2
3.1
Disconnect the display cable

13
Changing the display
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
6 Lay down the display
Place the display 1on the rubber display protectors 2.
Fig. 7
2.2
1
2.1
Lay down the display
7 Install a new display
Carry out the previous disassembly work steps 1 to 5 in reverse order.
Note
NOTE REGARDING ASSEMBLY
When plugging in the display cable, make sure that the cable end marked
in blue is in the correct position. The blue marking must be visible!
See also “Fig. 6 Disconnect the display cable” on page 12.

14
Replacing the halogen lamp AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
4 Replacing the halogen lamp
• The display has been removed (see section “3 Changing the display”,
steps 1 to 6)
• Put the following spare parts ready:
– Halogen lamp, order no. 000000-2345-437
• Put the following tools and equipment ready:
– TX 8 and TX 10 screwdrivers
– 3 mm at tip screwdriver
– Screw-holding tweezers
– Cotton gloves
1 Remove the lamp holder with halogen lamp
Unscrew the two Torx screws 2from the base of the housing.
Use a TX 10 Torx screwdriver for this.
Carefully extract the lamp holder 1upwards.
Disconnect the lamp cable 3from the halogen lamp.
Fig. 8
2 31
Remove the lamp holder with halogen lamp
Requirements
Procedure

15
Replacing the halogen lamp
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
2 Remove the halogen lamp
Unscrew the two Torx screws 1from the lamp holder 4.
Use a TX 8 Torx screwdriver for this.
Remove the retaining ring 2from the old halogen lamp 3.
Dispose of the old halogen lamp.
Fig. 9
234 1
Remove the halogen lamp
3 Install new halogen lamp
Put on cotton gloves.
Carry out the previous disassembly work steps 1 to 2 in reverse order.
Note
NOTE REGARDING ASSEMBLY
To avoid damaging the inside of the unit, use screw-holding tweezers to
insert the two screws on the base of the housing when reinstalling the
lamp holder.
See also “Fig. 8 Remove the lamp holder with halogen lamp” on page 14.
4 Calibrating the compensation data
The halogen lamp must be recalibrated after each lamp change.
5 To do this, read section “7 Calibrating the compensation data” on page 27
and carry out the work steps listed there.
Final steps

16
Changing the lamp cable (optional) AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
5 Changing the lamp cable (optional)
The following steps should only be performed if required.
Scheduled regular replacement of the lamp cable is not required.
• The display has been removed (see section “3 Changing the display” on page 8)
• The front plate 1has been removed
(see section “6 Changing the motor”, steps 1 to 2)
• The lamp holder 2has been disassembled
(see section “4 Replacing the halogen lamp”)
• Put the following spare parts ready:
– lamp cable, order no. 000000-2224-159
1 Disconnect the lamp cable from the halogen lamp
Disconnect the lamp cable from the halogen lamp 3.
At the narrow points (see red dotted ellipse in the gure below), take special
care to avoid damaging the electronic components (or the new lamp cable
during installation).
Fig. 10
4
321
Disconnect the lamp cable from the halogen lamp
Requirements
Procedure

17
Changing the lamp cable (optional)
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
2 Disconnect the lamp cable from the circuit board
Release the lock of the connector 1in slot X600 2on the
“FBG PowerBoard” 3.
Pull the lamp cable from slot X600 (see also “Fig. 10 Disconnect the lamp
cable from the halogen lamp” on page 16, item 4).
Fig. 11
23 1
Disconnect the lamp cable from the circuit board
3 Install a new lamp cable
Carry out the previous disassembly work steps 1 to 2 in reverse order.
Lay the lamp cable below the optical opening of the detector (see red
dashed circle in “Fig. 10 Disconnect the lamp cable from the halogen lamp”
on page 16).

18
Changing the motor AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
6 Changing the motor
• The display has been removed (see section “3 Changing the display”,
steps 1 to 6).
• The lamp holder with halogen lamp has been removed
(see section “4 Replacing the halogen lamp”, step 1).
• Put the following spare parts ready:
– Motor with cable, order no. 000000-2326-676
• Put the following tools and equipment ready:
– TX 8 Torx screwdriver
– 2 mm at tip screwdriver
1 Remove the fastening screws of the front panel
Lay down the device with its back 1facing upwards.
Unscrew the seven Torx screws 2(3x on rear, 2x on top, 2x on bottom)
from the housing. Use a TX 8 Torx screwdriver for this.
Fig. 12
2
1
Remove the fastening screws on the front panel
Hold the front panel and turn the device so that you can lay it back down
with the open device side facing upwards.
Requirements
Procedure

19
Changing the motor
AURA®handheld NIR - Rev. 2
EN_40_070_0030I | AURA®handheld NIR - Rev. 2 | Maintenance and Repair Manual
2 Remove the front panel and disconnect the cable
Note
NOTES ON DISASSEMBLY AND REASSEMBLY
It is much easier to remove and install the front panel if you also remove the
lamp holder (see “4 Replacing the halogen lamp” on page 14, step 1).
Take photos of the individual steps if necessary. This simplies subsequent
work steps and avoids errors during reassembly.
Raise the front panel 1enough to expose the cable underneath.
Then you can lay the front panel down slightly outside the housing.
Fig. 13
X800
X600
X704
X702*
1
2 3
Remove the front panel
Release the catch of the control cable connector in slot X704 3on the
“FBG PowerBoard” by pressing a narrow at tip screwdriver into the small
opening on the side of the socket.
Proceed very carefully!
Disconnect the control cable from slot X704.
Release the catch of the motor cable connector in slot X800 2by pressing
on the connector latch.
Disconnect the control cable from slot X800.
Now remove the front panel completely.

20
Changing the motor AURA®handheld NIR - Rev. 2
Maintenance and Repair Manual | AURA®handheld NIR - Rev.2 | EN_40_070_0030I
3 Remove the motor holder
Caution
SENSITIVE COMPONENTS
Avoid touching the white surface of the white reference assembly with
your ngers.
This can cause contamination which can then falsify your measurement
results.
Unscrew the two Torx screws 2from the front plate 1.
Use a TX 8 Torx screwdriver for this.
Remove the motor holder 3with cables and the white reference from the
front panel.
Fig. 14
21
3
Remove the motor holder