RT-7600S Auto Hematology Analyzer User’s Manual
11 Troubleshooting
This chapter describes common faults of instrument and their solutions, if failing to eliminate
faults as per tips in this chapter or needing more detailed data, please contact Rayto
customer service department.
Fault Solution
1) Instrument cannot be
started up
——check if instrument is powered on
——check if power plug gets loose or falls off
——check voltage
2) Instrument cuts power
automatically
——check instrument power is connected or not
——check power cable is loose or not
——power off instrument internal circuit breaker, and restart.
3) No diluent ——replace diluent, from main screen maintenance menu,
select reagent filling -> diluent
4) No cleanser ——replace cleanser, from main screen maintenance menu,
select reagent filling -> cleanser
5) No Lyse
——replace Lyse , from main screen maintenance menu,
select reagent filling -> lysis solution
6) Waste bottle full ——discard waste.
7) Temperature abnormal
——in software main menu, click “System Info” -> “System
Status”, check environment temperature, if not within
15
C~35
C range, restore instrument ambient temperature
to this range
8) Blank counting value
higher repeatedly
——reagent is used up or not
——reagent is deteriorated or contaminated
——calibrate instrument
——check temperature or pressure if it is normal
9) Parameter test incorrect
——calibrate instrument
——check if sampling needle location is right
——check if there is bubble in fluid syringe, piston slides
smoothly. If there is bubble, please make sure that reagent
tubing connection is normal.
——check solenoid valves if they work normally
10) Printer cannot print ——check printer if there is no paper
——check if normally connected
——check printer setting in system setting
10) QC not in target range
——check reagent validity period
——check setting if it is right, and necessary to modify
parameter.
——make sure that QC process is not contaminated
——test again in other method
Warning: only professional personnel verified by Rayto can repair this