Service manual
8
1. INTRODUCTION
The A15 analyzer is an automatic random access analyser specially designed for performing biochemical and turbi-
dimetric clinical analyses. The instrument is controlled on-line in real time from an external dedicated PC.
In each of the elements of the A15 analyser, BioSystems has used leading edge tech nology to obtain optimum ana-
lytical performance, as well as taking into account eco no my, robustness, easy use and maintenance. A three-axis
Cartesian operating arm prepares the reactions. Dispensing is performed by means of a pump with a ceramic piston
via a detachable thermostated needle. A washing station guarantees that the needle is kept perfectly clean through-
out the process. The reactions take place in a thermostated rotor in which absorbance readings are taken directly by
means of an integrated optical system.
This manual contains the information required for learning about, maintaining and repairing the A15 automatic ana-
lyzer. It should be used by the Technical Service as a learning and consultation docu ment for the maintenance and
repair of the instru ment. Chapter 2 describes the different mechanical elements that form the analyzer together with
their functionality, and chapter 3 describes the electronic system. Chapter 4 describes the Service Program. All the
adjustments and checks of the analy zer are carried out through this program, which is independent from the appli cation
program (User Program). The separation of both programs enable it to be maintai ned separately and the extensions
and improvements of one do not affect the other. The user does not have the service program. The Technical Service
must install it on the user’s computer in order to carry out the service requirements. Once said tasks have been car-
ried out, the Technical Service must uninstall the program. Chapter 5 offers instructions for the different mainte nance,
rep air and cleaning operations that can be carried out by the Technical Service. The annexes contain a summary of
the technical specications of the analyzer, the adjustment margin tables, the lists of accessories and spares, a list
of software versions and their compatibility and a software troubleshooting guide.
1.1. GENERAL DESCRIPTION OF THE ANALYZER
The A15 analyser is made up of three basic elements: the operating arm, the dispensing system and the reading and
reactions rotor. The electronic system of the instrument controls said elements and communicates with the external
computer containing the application program. Through this program, the user can control all the operations of the
analyzer.
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