Roche Diagnostics
C-30 Operator’s Manual · Version 3.1
8 General maintenance Cedex Bio System
Maintenance actions
Initialize degasser fluid sensor
f Utilities > Maintenance > Initialize Degasser Fluid Sensor
The degasser fluid sensor checks whether there is air in the water supply to the
syringe assembly. Air in the water supply may lead to inaccurate pipetting and
ultimately to incorrect results. Therefore, the sensor needs to be initialized to ensure
its proper functioning.
Operator time Approximately 5 minutes.
Prerequisites The system must be in Standby status.
All covers must be closed.
Tools and materials required m Full external water container
m Clean cloth
a To initialize the degasser fluid sensor
1
Make sure that all covers on the instrument are closed.
2
Choose Utilities > Maintenance > Initialize Degasser Fluid Sensor.
An instructions screen is displayed.
3
Press .
The maintenance definition screen is displayed.
4
Check whether the tube connecting the external water container with the
instrument is full of water or contains air bubbles.
5
Do one of the following:
If Do this
You cannot see any air bub-
bles
1. Continue with step 6.
You can see air bubbles or the
tube is empty
1. Press to abort this maintenance action.
2. Perform the maintenance action Prime Fluid Sys-
tem.
3. Restart the maintenance action Initialize Degasser
Fluid Sensor.
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