1. Starting Power
  -Switch on main(wall) supply
  -Start UPS supply by pressing ON-button for few seconds
  -Switch on Erba XL-640 back-power-supply (Wait for 2 min)
  -Do not Switch on Erba XL-640 side-power-supply
    -(side-power-supply=OFF > Front  light=RED)
    -(side-power-supply=ON > Front  light=GREEN)
  -Switch on CPU and monitor power-supply
  -If UPS gives audio alarm > call resident

2. Starting software
  -Start software by double clicking “MultiXL” icon on Desktop
  -Login window will appear.
  -Enter 
    -login id = tech
    -Password = 12345678 then click enter.

3. Reagents placement
  -Do not Switch on Erba XL-640 side power-supply during reagent refilling.
  -See the reagent tray to see which reagents need to be refilled.
  -Refill reagents twice a day, in the morning and evening using [[loading reagents in Erba XL-640]]
  -Place ISE cleaning solution(1 ml) at ISE-2 position of sample wheel
	
4. Program first run of morning
  -Do not Switch on Erba XL-640 side-power-supply during  programming a run.
  -In patient entry=> write sample id of qc 5 as 5YYMMDDTT eg. 514062109 then check the group and position.similarly give entry of qc 8 .Then click on QC morning and then save . For MPR QC 5 , give entry of MPR and CGLC .and then save.
{{patient_entry 1.jpg|Patient entry}}
	
6. Placement of QC(0.5 ml)
  -Do not Switch on Erba XL-640 side-power-supply during positioning QC samples
  -Bring at room temperature and mix
  -Keep QC-5 at position-1
  -Keep MPR-5 at position-2
  -Keep QC-8 at position-3
  -Keep MPR-8 at position-4
  -Make sure that you entered the samples in that sequence in patient entry.

7. Placement of Samples(0.4 ml)
  -Do not Switch on Erba XL-640 side-power-supply during positioning patient samples
  -Open [Patient Entry]--->[Worklist] and place samples at programmed position

8. Starting run of morning
  -Switch on Erba XL-640 side-power-supply NOW.
     -side-power-supply=ON > Front light=GREEN
  -Daily Morning maintenence
  -Do maintainance as follows:{{maintainance.jpg|Maintainance}}
     - Click Prime wash,it takes around 10 minutes. On completion, message is displayed that Prime wash successfully completed.
     - Click on R1/R2 Probe wash.Message will be displayed "put washing solution at position 55 in reagent tray and press OK to continue" click OK if it is present , if not then put the solution at that position and then click OK.It will take around 3 minutes.On completion, message is displayed that R1/R2 Probe wash successfully completed.
     - Click on Sample Probe wash.Message will be displayed "put cleaning solution at ISE2 position in sample tray and press OK to continue" click OK if it is present , if not then put the solution at that position and then click OK..It will take around 3 minutes.On completion, message is displayed that sample Probe wash successfully completed.
    -Click on ISE ON=> message will be displayed "Please wait"=> Click on Clean => then click start.On completion a green box will be displayed. then again click start.A new green box will appear on completion.
    -Click Purge A => Click start => On completion a green box will be displayed. then again click start.A new green box will appear on completion.=> repeat 4 times.	
    -Press [Status Monitor]-->START button to start a run
    -When Run is going on, START button is GRAY.
    -Do not Open Front cover/place sample/place reagent till START button is gray.
    -When run is complete, START button is GREEN again.
    -Switch OFF Erba XL-640 side-power-supply
    -Make sure that Front  light=RED
    -Open front cover, remove samples, close front cover.

9. Using Erba XL-640 after first run of morning:
  -Program samples:(Only when front light is RED)
  -Place samples:(Only when front light is RED)
  -Switch on Erba XL-640 side-power-supply	(front light is GREEN)
  -Press [Status Monitor]-->START button to start a run
  -When Run is going on, START button is GRAY.
  -Do not Open Front cover/place sample/place reagent till START button 	is GREEN.
  -When run is complete, START button is GREEN again.
  -Switch OFF Erba XL-640 side-power-supply
  -Make sure that Front  light=RED
  -Open front cover, remove samples, close front cover.

10. Fluid levels check:
^Container^Action^Indication^
|DI Water Container|Fill upto upper mark|When level reach lower mark|
|Waste|Empty upto lower mark|When level reach upper mark|
|Cleaning solution|Replace cleaning solution Container|When level reach lower mark|
|Biohazardous waste|Empty upto lower mark and add 2 liter 4-6% HOCl|When level reach upper mark|
Make cleaning solution by adding 100 ml of Erba XL-Wash/Extran in 10 liter water
	
11. When 
  -Alarm bell rings and
  -Message “Check Fluid Level” is shown in error message window
  -Then Check level of following containers and take action:				

^Step^Container^Action^
|1|DI Water Container|DIW fill upto mark|If Alarm do not stop > go to step-2|
|2|Waste|Empty upto mark|If Alarm do not stop > go to step-3|
|3|Cleaning solution|DIW fill upto mark +  100ml stock cleaning solution|If Alarm do not stop > go to step-4|
|4|Biohazardous waste|Empty upto  mark,then add [2 L HOCl]|If Alarm do not stop > call resident|