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5 Maintenance ......................109 Maintenance schedule..........................109 Daily maintenance........................... 110 Inspecting and cleaning the probes ........................110 Cleaning the probes using automatic advance probe motion................110 Cleaning the probes using manual probe motion ....................111 Probe cleaning procedure (optional method) ....................112 Inspecting and cleaning the mixing rods and mixer wash cups ................113 Checking reagents and system solutions.......................114 Inspecting and cleaning the reaction (WUD) and dilution (DWUD) cuvette washers ..........114 Inspecting and cleaning the cuvette splash covers....................117...
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Preparing the system for an expected power outage ..................171 Preparing the system for power return (if power was unexpectedly lost while system was on)......172 Recovering from an unexpected power outage (after power returns, when power was unexpectedly lost while system was on) ..............................172 ADVIA 2400 Operator’s Guide...
CAUTION The maintenance procedures described in this To avoid reporting faulty data, deterioration document are to be performed ONLY by Siemens- of reproducibility, or damage to the ISE trained users. Some of these procedures require the module and its parts, follow the precautions...
3.DPPLR sample probe 16.SPPLR Reagent probe 1 37.RPPLR-1 Reagent probe 2 49.RPPLR-2 3. Select the number of times necessary to move the probe to the accessible Move location, then select to close the probe window. Exit ADVIA 2400 Operator’s Guide...
Probe Accessible Location Dilution probe (DPP) Over the sample tray (STT) OR over the ISE Sample probe (SPP) Over the dilution tray (DTT) Reagent probe 1 (RPP1) Over reagent tray 1 (RTT1) Reagent probe 2 (RPP2) Over reagent tray 2 (RTT2) 4.
User Maintenance 3. At the User Maintenance window, in the Position Probe for Routine Cleaning area, select Start , then select when prompted. 4. Wipe the probe with prep pads or lint-free towels and 5% bleach solution. ADVIA 2400 Operator’s Guide...
5. Check the alignment of the probe to the cuvette. If the probe is not centered over the cuvette, call your local technical support provider or distributor. 6. Close the User Maintenance window, then select when prompted. 7. At the Operation Panel, select to return all probes to the home position Initialize (over the wash cups).
Perform this inspection in addition to the startup, shutdown, and weekly washes, to keep the WUD and DWUD from clogging. In the event of a clog, call your local technical support provider or distributor for assistance. ADVIA 2400 Operator’s Guide...
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Dilution Cuvette Wash Station (DWUD) Reaction Cuvette Wash Station (WUD) Figure 5-4. Cuvette wash stations 3. Remove the wash head: a. Cover nearby cuvettes with lint-free toweling to protect them from dust. b. Loosen the retaining screw ( ) with a 4-mm hex wrench. c.
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., then select Exit to raise the washer nozzles. 9. At the Operation Panel, select Initialize , then verify the DWUD and the WUD are in the up position and the instrument is in the READY state. ADVIA 2400 Operator’s Guide...
Inspecting and cleaning the cuvette splash covers Materials required: • Lint-free towel BIOHAZARD • Deionized water Wear personal protective equipment. Use universal precautions. Time: 5 minutes Analyzer mode: READY NOTE Cuvette covers are installed around the probes to prevent water and reagent from entering the dilution and reaction cuvettes.
Dry the sensor. To clear the alarm message, on the Operation Panel, select the alarm icon. 5. At the Operation Panel, select Initialize to return the system to READY mode. ADVIA 2400 Operator’s Guide...
Checking pumps for leaks A decrease in liquid flow or the presence of air bubbles in the lines may be due to a leaking pump. Inspect the pumps for leaks daily to identify potential problems. Materials required: • Lint-free towel BIOHAZARD Time: 10 minutes Wear personal protective equipment.
There are two types of horizontal pumps, those with double seals and those with a single seal. The method of checking for leaks is the same for both: 1. To determine if any of these pumps are leaking, inspect the front portion ( Figure 5-13.
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By choosing CTT position #50 for WASH 2 and CTT position #51 for WASH 3, you only need to refill the CTT container once. 3. Ensure the container at RTT1 ( ) and RTT2 ( ) position #50 contains DI water. ADVIA 2400 Operator’s Guide...
NOTE At your laboratory’s discretion, you may use other positions for the washes on each of the trays, but you must change the entries for the alternate positions in the appropriate fields on the WASH Set window. 4. At the WASH Set window, define the WASH3 container positions as follows: a.
Recording ISE slopes Once a day, record the slopes from a successful ISE calibration on the Maintenance Log. The slopes are provided on the ISE Monitor, RBL/Calibration History, and RealTime Monitor windows following a successful calibration. ADVIA 2400 Operator’s Guide...
Weekly maintenance Performing the weekly wash Materials required: • 5% solution of Reagent Probe Wash 3 BIOHAZARD (REF 03164495, PN B01-4183-01) Wear personal protective equipment. • ISE Wash (REF 01307361, Use universal precautions. PN B01-4174-01) • Deionized water Time: 38 minutes Analyzer mode: READY Laboratories running the system more than 8 hours per day or running large numbers of dialysis or urine samples are advised to perform this Weekly wash procedure...
3. If the reservoir fluid level is less than 5 cm, add coolant as follows: a. Turn the reservoir cover counterclockwise to remove it. b. Fill the reservoir to the 9-cm mark with a 5% solution of Lamp Coolant Additive (REF 04533710, PN B01-4496-51) in deionized water. ADVIA 2400 Operator’s Guide...
1 Upper Mark (Green Line) 2 Lower Mark (Red Line) Figure 5-15. Reservoir levels Upper and Lower c. Replace the reservoir cover. Do not over tighten. 4. Replace the lamp access cover. NOTE If adding coolant does not clear the lamp coolant warning, call your local technical support provider or distributor.
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Enter c. Subtract 50 from the 340-nm AD count ( ) and type the noted in step 10 a difference in the bottom field, to the left of the graph, then press Enter ADVIA 2400 Operator’s Guide...
The lamp energy displays as a scatter plot. • If the points are mostly within ±40 of the center, the lamp is normal. • Otherwise replace the lamp Only if you replaced the lamp or a cuvette segment, select Regist Data , then select in the Registration window.
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• Abnormal cuvettes remain registered as abnormal until a future measurement determines that they can be used. Reference value The reference value (the average value of the measurements of all cuvettes) remains the same until the next measurement. ADVIA 2400 Operator’s Guide...
Cleaning the analyzer and rack handler exterior panels Materials required: • Lint-free towel BIOHAZARD • 10% solution of bleach (5% sodium Wear personal protective equipment. hypochlorite) and water Use universal precautions. Time: 10 minutes Analyzer mode: READY 1. Put the analyzer and rack handler (if applicable) in Standby mode. 2.
4. Replace the CTT and STT tray and covers. a. Orient each tray loader to the locator screw ( b. Ensure the tray loaders are securely in position, then push the fasteners ( in place. c. Replace the STT evaporation cover. d.
• Physiological saline (0.9% NaCl) Wear personal protective equipment. Use universal precautions. Time: 10 minutes Analyzer mode: READY NOTE The dilution bottle may be cleaned when it is refilled, but must be cleaned at least once a month. ADVIA 2400 Operator’s Guide...
1 ISE buffer bottle 2 RRV (Reaction) bath oil 3 Isotonic saline diluent bottle 4 Cuvette detergent bottle 5 Cell conditioner bottle Figure 5-17. Isotonic Saline diluent bottle 1. Lift the cover from the saline diluent bottle ( ), and remove the bottle. CAUTION Note the bottle position on the shelf, to avoid mixing up the fluid bottles.
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8. Connect the cuvette wash bottle level sensor connector, then push the connector in and turn it clockwise. 9. Insert the filter and hose, then fasten the cap. NOTE Make sure that the filter holder is located at the bottom of the bottle. 10. Prime the fluid lines: NOTE ADVIA 2400 Operator’s Guide...
If you are cleaning other bottles, wait to perform this step for all fluid lines. a. At the Operation Panel, select the button. Prime b. At the PRIME Settings dialog box, select Prime 2 and then type or more for the number of times in all fields.
4. Wash the cuvettes under running water, then rinse them in deionized water. 5. Drain the water from the cuvettes. 6. Install the cuvette segments on the dilution tray (DTT) and fasten the thumbscrews by hand. 7. At the Operation Panel, select Initialize ADVIA 2400 Operator’s Guide...
NOTE Verify that the Operating mode field displays READY before performing any further actions. 8. At the Operation Panel, select WASH 9. Perform the daily shutdown wash routine, then verify the operation. Cleaning and replenishing the cuvette conditioner bottle Materials required: •...
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If you are cleaning other bottles, wait to perform this step for all fluid lines. a. At the Operation Panel, select Prime b. At the Prime Settings dialog box, select and type for the Number of Prime 2 times in all fields. c. Select Execute ADVIA 2400 Operator’s Guide...
Every 3 months maintenance Replacing the lamp Materials required: • Halogen lamp, 12 V/50 W BIOHAZARD (REF 02127928, PN 073-0099-01) Wear personal protective equipment. Time: 60 minutes Use universal precautions. Analyzer mode: OFF You must replace the lamp under the following conditions: •...
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11. Check the lamp energy (see the Weekly Maintenance section). 12. Perform the cell blank measurement test. NOTE Siemens recommends the assays on the system be calibrated after the lamp is replaced. 13. Run controls to verify that all assays are within the laboratory’s established control ranges.
Washing the ISE electrodes lines Materials required: • Dummy electrode with o-ring and cap BIOHAZARD (REF 05938765, PN 073-0342-01) Wear personal protective equipment. • ISE detergent solution Use universal precautions. (REF 01307361, B01-4174-01) Time: 25 minutes Analyzer mode: Manual operation 1.
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10. Verify no leaks or bubbles exist and that the buffer is going to the waste during the priming cycle. 11. At the ISE Operation window, next to the Initialize button, select Execute 12. Perform calibration and run controls. ADVIA 2400 Operator’s Guide...
Every 4 months maintenance Cleaning the ancillary reagent bottle filters Materials required: • Filters (REF 08602474, PN 073-0033-01) BIOHAZARD order one set per bottle Wear personal protective equipment. Time: 20 minutes Use universal precautions. Analyzer mode: OFF Use this procedure to clean the filters in the following bottles •...
1. Ensure that the instrument is in READY mode. 2. Remove the silicon return hose (1) from the top front of the pure water bottle. The filter is contained in a metal filter holder attached to the end of the return hose. ADVIA 2400 Operator’s Guide...
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Silicon Return Line Metal Filter Holder Figure 5-25. Pure-water bottle lines and filter 3. Using pliers if necessary, unfasten the filter holder from the end of the return hose and remove the filter. NOTE If the filter is ripped or damaged, replace it with a new filter (18R). WARNING Household bleach is 5% or 6% sodium hypochlorite.
• 6 sets of dilution cuvettes (sample cell DTT, single cuvette set, REF 05049669, PN 073-0022-01) Time: 20 minutes Analyzer mode: OFF Replace the 20 sets of reaction (RRV) cuvettes and 6 sets of dilution (DTT) cuvettes once every four months. ADVIA 2400 Operator’s Guide...
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1 Thumbscrew 2 Tab 3 Detector Unit Figure 5-27. Reaction and dilution cuvette components 1. Put the system in Standby Mode. WARNING Failure to put the analyzer into Standby mode will result in the RRV bath oil over-filling. Excess RRV bath oil can damage the spectrophotometer when the RRV cuvettes are reinstalled.
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8. Perform the daily Shutdown wash (WASH2) routine and verify the operation. 9. Perform the lamp energy check procedure. 10. Perform the cell blank measurement, and if the cell blank run was completed successfully, save the results. ADVIA 2400 Operator’s Guide...
As required maintenance Backing up system files The system software consists of the operating system, data processing software, and user- specific system and data files. Back up the system files to a USB Memory Stick or a formatted CD / CD-RW / DVD disc whenever you make any configuration or parameter changes.
Time: 10 minutes Analyzer mode: STANDBY NOTE Use this procedure to replace SPP and RPP probes equipped with crash detection. For dilution probes (DPP) equipped with crash detection, refer to Replacing DPP probes - with crash detection. ADVIA 2400 Operator’s Guide...
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1 Dilution Probe (DPP) 2 Sample Probe (SPP) 3 Reagent Probe 1 (RPP1) 4 Reagent Probe 2 (RPP2) Figure 5-28. Probes Remove the probe 1. Put the system in Standby mode. CAUTION To keep from damaging the probe tip when the power is off, you must manually support the probe and be careful not to strike it against anything on the analyzer.
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9. Ensure that the probe is perpendicular to the arm and centered over the cuvette. If not, call your local technical support provider or distributor. 10. At the Operation Panel, select Initialize to return the probes back to home (over the wash cups). ADVIA 2400 Operator’s Guide...
11. At the Operation Panel, select then select then to ensure PRIME PRIME 2 Execute proper water flow through the probe. NOTE Make sure that no water is leaking from the knurled fitting. Replacing DPP probes equipped with crash detection Materials required: •...
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) from the post coming from the probe ( ), but leave the other blue wire attached. 13. Gently lift the probe ( ) up through the probe guide ( ), then carefully remove it from the probe arm ( ADVIA 2400 Operator’s Guide...
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14. Discard the old probe. Install the new probe 1. Carefully insert the new probe ( ) into the probe guide ( 2. Lower the probe fully into the guide so that the rear tube fitting rests in the joint holder ( 3.
Make a note of the bottle position on the shelf, to avoid mixing up the fluid bottles. 3. Remove the RRV bath oil bottle ( CAUTION Ensure that level-sensor connector ( ) does not get wet, to avoid damaging it. ADVIA 2400 Operator’s Guide...
4. Refill the bottle with RRV (reaction) bath oil. 5. Replace the bottle on the shelf in the cabinet. 6. Connect the RRV bath oil bottle level sensor connector ( ) by pushing the connector in and turning it clockwise. 7.
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Use a shallow tray for washing the nozzles. A tray with a depth of 35 – 40 mm is most suitable. Trays with higher sides may require additional wash solution. e. Place the dryer nozzle outside the tray (1) and all the other nozzles inside the tray. ADVIA 2400 Operator’s Guide...
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Figure 5-35. WUD and DWUD dryer nozzle Fill the tray with deionized water, being careful not to overflow the tray. g. Pour enough deionized water into the tray so that the center nozzles (yellow- labeled overflow nozzle) are in liquid. 3.
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22. Run a Startup Wash (WASH3) procedure on the system, then verify proper hydraulic operation and mechanical alignment of the WUD/DWUD assemblies during the Startup Wash. 23. Run your laboratory’s quality control material and verify the results are within acceptable ranges. ADVIA 2400 Operator’s Guide...
3. When the priming is finished, verify that the electrodes are not leaking. 4. At the ISE Operation window, select Exit , then select 5. Run 10 pooled serum samples, or do an ISE CV check. 6. Perform calibration and run controls. ADVIA 2400 Operator’s Guide...
Conditioning the ISE Na and K electrodes Materials required: • 10 mL of serum pool BIOHAZARD • 30 mL of ISE Buffer Wear personal protective equipment. Use universal precautions. (REF 03463190, PN B01-4171-51) • 2-mL or 3-mL plastic, disposable pipette Time: 5 minutes (preparation) 24 hours (immersion) Analyzer mode: READY...
The acceptable ISE slope is between 45.0 and Mark ISE Slope Range 63.0. Slopes outside of this range are flagged > 65.0 as shown in the table. A flagged slope fails 63.1 to 65.0 the calibration. The slope limits are defined at 38.0 - 44.9 the ISE Parameter Settings window.
1. At the Operation Panel, select Initialize 2. At the Menu Panel, select ., then select Maint ISE Operation 3. At the ISE Operation window, in the Calibration area, select Execute 4. When prompted, select to execute calibration. ADVIA 2400 Operator’s Guide...
5. If the calibration fails, repeat calibration again and if data continues to be unstable, perform an electrode wash. NOTE The electrodes may have to stabilize on the system before a successful calibration is achieved. 6. At the ISE Operation window, select the button and enter the new Electrode Info electrode information.
CAUTION Be careful not to scratch the nozzle. Damaging the nozzle may cause inaccurate results. 1. Using a blunt object such as a pipette, carefully scrape the crystals that are attached to the waste-drain nozzle ( ADVIA 2400 Operator’s Guide...
Figure 5-40. Location of waste-drain nozzle 2. At the ISE Operation window, enter in the Bufferprime Times box, then select Execute IMPORTANT Verify that no buffer collects in the wash block. Buffer that remains in the wash block may clog the drain. Maintaining the ISE unit after the dilution bowl and waste-drain nozzle are clean 1.
Re-Start , then select 7. If possible, repeat the task prior to the power failure and verify that the data was stored. 8. If reagent was dispensed, you must perform a Weekly WASH2 before resuming operation. ADVIA 2400 Operator’s Guide...