Manuale operativo
CHORUS
44 Rev. 0 del 06/2012
Note:
The execution of the sanitation causes the activation of the pendings of the priming.
ATTENTION
The correct maintenance of the hydraulic circuit is essential for a valid interpretation of the results of
the tests executed by the instrument.
When a working cycle is started ignoring the sanitation request, the corresponding cycle memorizes
the message “the session is executed on a not sanitized instrument”. This message is show also in the
printed report and indicates that the results of that session might be invalidated by the state of the
hydraulic circuit.
3.6.5 O
RDINARY MAINTENANCE
This has to be performed by the user according to needs of the instrument and consists of replacing
the following accessory materials:
• Daily cleaning of the instruments and its surroundings
• Check and possible top-up of the liquids
• Emptying the waste tank.
• Replacing paper in the printer
• Start of the internal cleaning procedure at the end of the test day
• Execution of the sanitation cycle when the instruments requires it.
When the instrument is switched on, it performs the Initial Check that controls all system functions
(electronic, mechanical, hydraulic). Particularly, a number of operations is performed to prepare the
instrument for optimal working conditions.
These operations can be summarized as follows:
- priming of the Washing Buffer circuit,
- washing of the internal parts,
- control of the good functioning of the syringes and all the hydraulic parts,
- control of the washers and dispensers,
- optics calibration.
ATTENTION
The initial automatic control procedure could be skipped using the command available when the
instrument is switched on. It is not recommended to use this unless the operator is certain that the
instrument is working perfectly.
Possible problems or errors are shown in the Error window and some may be resolved by the user,
according to the type of error present (see chap. 4.12).
At the end of the work session it is necessary to start the cleaning procedure, to prevent deposits
forming on needles, tubes and hydraulic parts in general.
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