Roche Diagnostics
Operator’s Manual · Version 1.0 D-5
URISYS 2400 7 General maintenance actions
Maintenance menu
a To use the washing solution at the STAT position
1 Set the analyzer to Stand-By mode.
2 Place a sample tube containing 10 ml of washing solution at position 1 of a
sample rack, and set the rack in the STAT position.
3 Press <Menu> on the [Routine Monitor] screen. The [Menu] screen is
displayed.
4 Press <Maintenance>. The [Maintenance] screen is displayed.
5 Press <Wash>. The [Wash] window appears.
6 Press <Execute> to start the wash procedure. A second [Wash] window
appears with the message “Executing”.
When handling the washing solution, ensure that you wear gloves and safety
goggles to avoid direct contact with the solution. If the solution contacts the body,
wash immediately with a large volume of water. Consult your laboratory protocol for
handling biohazard materials. If a sample is spilled on the analyzer, wipe up
immediately and apply disinfectant.
Do not remove the rack with the washing solution until the wash procedure is
finished.
If the washing cycle is interrupted, carry out the wash procedure again from the
beginning. Otherwise, the remaining detergent in the flow path may damage the
instrument or cause incorrect data.
When the <Stop> button on the [Executing] window is pressed, a [Warning] window
alerts the operator to the risks of interrupting the washing process.
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