RT-7200 Auto Hematology Analyzer User’s Manual
10 Service
RT-7200 Fully-automatic Hematology Analyzer is a clinical precision analyzer; in order to
maintain good instrument condition, get reliable test result, and reduce instrument fault rate,
the instrument shall be maintained routinely, this chapter introduces related maintenance
operation.
Warning: Please perform maintenance operation according to user’s
manual and service manual, otherwise it may cause instrument
damage.
10.1 Routine maintenance
10.1.1 Startup and shutdown process
At startup, the instrument will run mechanical component test and blank test, for user to
discover problem as early as possible. While running shutdown operation, daily shutdown
maintenance program will be automatically performed. After shutting off instrument power,
just clean workbench and instrument surface.
10.1.2 Automatic rinse
If number of samples instrument tests has reached the number preset by user, then the
instrument will run automatic rinse program. User can adjust automatic rinse frequency at
will. Refer to Chapter 7, System Setting. Rinse can also be done in “Maintenance” menu.
10.1.3 Clean instrument surface
z Keep instrument working environment clean.
z Instrument surface can be cleaned with neutral detergent and wet cloth.
Warning: Do not use any solvent, fat, corrosive substance to clean
instrument.
10.2 Maintenance program
10.2.1 Back flush
Back flush gem hole, together with the function of “High voltage pulse”, to prevent and
eliminate jam of hole.
10.2.2 High voltage pulse
This function is to burn the gem hole to prevent and eliminate jam of hole.
10.2.3 Drain chambers
Drain off the diluent in WBC and RBC chamber.
10.2.4 Drain pipeline
Drain off liquid in the pipeline.
10.2.5 Remove Blockage
Particular procedure to eliminate the blockage of hole.
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