WI-232 Weekly maintenance

Work instruction Number 232
Page 1 of 4	Purpose: Weekly maintenance
Safety: Bio Hazard area
Instrument: Starrsed TL	Revision: 002, 2019

PDF-version

Change instrument status in the LAS from "online" to "offline"

Clean Fill nozzle

new-nozzle-er-uit

Clean fill nozzle

The use of a toothbrush and detergent is recommended.

Carefully scrub the fill nozzle inner part.
Use a tissue to dry the fill nozzle.

new-nozzle-er-uit

Clean Liquid separator

Removing

21608 waste separator out

A. Clean all parts with hot water and a brush.
B. Use some acid free vaseline on the screw-thread of the glass jar, the top rim of the glass jar, the O-ring for the HEPA filter and the black PVC pipe on the back.

Cleaning

waste separator cleaning

C. If applicable replace the bacterial HEPA filter (For Maintenance Level 4: Exchange filter QWLV040002)

Replacing

waste separator in

Check sensors

Vacuum pressure check

Go to tab Maintenance -> Check sensor. Select Check Flow sensor box.
Flow: 0980 ± 60 Abs: 0320 ±10
If the flow is not in range there might be a blockage in the vacuum flow line to the flow sensor.

Fill Stop sensor check

Go to tab Maintenance -> Check sensor. Select Check Fill stop sensor box.
Fill stop sensor FS 90..140..165

Diluter Start sensor check

Go to tab Maintenance -> Check sensor. Select Diluter start sensor box.
Diluter start sensor 400-550-700

Measure sensor check

Go to tab Maintenance -> Check sensor. Select Check measure sensor box.
Measure sensor MS 50 ±10

Temperature sensor check

Go to tab Maintenance -> Check sensor. Select Check Temperature sensor box.
Temperature sensor TS [Room temperature]

Diluent flow sensor check

Go to tab Maintenance -> Check sensor. Select Check Diluent flow sensor box.
Press test. When test is finished, signal Standby and Flow must shown as activated.

Separator check

Go to tab Maintenance -> Check sensor. Select Check Separator sensor box.
Separator sensor <200 600 >700

Liquid sensor check

Go to tab Maintenance -> Check sensor. Select Check liquid sensor box.
Check liquid sensor: Press test. When test is finished, the OK signs are shown at Rinse and Drain if the liquid sensor is active.

Check and clean instrument

Prepare disinfectant: (if not already prepared).
This disinfectant is for cleaning of all external parts that are exposed to blood.

Go to tab [Maintenance] and perform the [End-of-day wash] procedure.
Open cover and front doors.
Check system for leakage.
Check drip trays under pump assembly and needle assembly .
Open carousel plate and inspect the peristaltic pump tubes and connections for leaks.
Check tubing from the syringe for trapped air bubbles.
Check Diluent syringe for trapped air bubbles.
If trapped air bubbles are found, go to tab [Maintenance], click button [Prime / Clean] and perform the [Prime Diluent] function.
Clean needle top with disinfectant.
Check if the suction tube in the guide fork is free of clogging, remove clogging if needed.
Wipe stainless steel plates below the pipettes with disinfectant.
Close cover/front doors and activate the instrument in the LAS.