Manuale operativo
CHORUS
36 Rev. 0 del 06/2012
3.4.5.2 Start of the Check
1) The Hydraulic check requires the Cleaning solution tank to contain at least 25% of liquid and
consists of the following:
Control of the level of liquid present in the Cleaning solution tank.
Control of the sensors and function of the drainage well.
Washing the dispensers (external and internal).
Control of the washers, collection wells included.
Priming of the 250 µl syringe (and of the 25 µl syringe if activated).
Test of the 250 µl syringe (and of the 25 µl syringe if activated).
Priming of the buffer solution circuit.
2) Priming of the Washing buffer circuit requires that the buffer solution tank selected (autoimmunity
or infectivity) contains at least 25% liquid and can be standard, in case the selected buffer solution
is the same as the one present in the circuit, or elaborate, in case the selected buffer solution is
different from the one present in the circuit.
Standard priming consists of:
Emptying of the circuit with air.
Filling with set buffer solution.
Elaborate priming consists of:
First washing the circuit, the dispensers and the washers.
First standard priming.
Second washing the circuit, the dispensers and the washers.
Second standard priming.
3) The check of the optic group requires setting at ideal stand-by temperature and consists of:
Calculation of the virtual ramp.
Calculation of the dark offset.
Calculation of the light at 650 nm.
Calculation of the light at 610 nm.
If an error is detected during any of these phases, the instrument immediately terminates the controls
and shows the errors window, where the detected error is reported.
In case a previous cycle was interrupted, at the end of the controls a warning window allows the
archives window to be opened (View key fig. 28) to verify the run which was interrupted; the print-out
of the last run is optional.
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