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XP er t ™ Filter ed Balanc e S ystems & XP er t ™ Filter ed Balanc e Stations User’s Manual Labconco’ s Mascot, Labby the LABster Models 394 0200, 394 0201, 394 0202, 394 0220, 394 0221, 3.
For more information, please contact us: ExpotechUSA 10700 Rockley Road Houston, Texas 77099 USA 281-496-0900 [voice] 281-496-0400 [fax] E-mail: sales@expotechusa.
Labconco XPert Filtered Balance System/Station Man ual Warranty Labconco provides a warranty on all part s and factor y workmanshi p. The warranty includes areas of defective mat erial and workmanship, provi ded such defect results from norm al and proper use of the equipment.
T T A A B B L L E E O O F F C C O O N N T T E E N N T T S S CHAPTER 1: INTRODUCTION 1 About This Manual 3 Typographical Conventions 4 CHAPTER 2: PREREQUISITES 5 Support, Vibration & Movement Requi.
Filters with Volatile Chemicals 40 Chemical Carcinogen Use with Odor Control Carbon Filters 41 P r o h i b i t e d A c i d U s e 4 1 CHAPTER 6 MAINTAINING YOUR FILTERED ENCLOSURE 43 Routine Maintenanc.
1 C C H H A A P P T T E E R R 1 1 I I N N T T R R O O D D U U C C T T I I O O N N Congratulations on your purchase of a Labconco XPert™ Filtered Balance System or XPert™ Filtered Balance Station.
2 Chapter 1: Introduction filtered enclosures include a true bag-in/bag-out HEPA filter to properly protect personnel during filter changing operations. See chart below and contact Labconco for additional ordering information. No. Application Product Filters Bag-in/Bag-out HEPA UV Light 1.
3 Chapter 1: Introduction About This Manual This manual is designed to help you learn how to install, use, and maintain your filtered enclosure. Instructions for installing optional equipment or accessory carbon filters on your filtered enclosure are also included.
4 Chapter 1: Introduction Appendix C: Specifications contains the electrical requirements for filtered enclosures. Wiring diagram s are also included. Appendix D: Quick Chart provides an airflow table and test data for the filtered enclosures.
5 C C H H A A P P T T E E R R 2 2 P P R R E E R R E E Q Q U U I I S S I I T T E E S S Before you install the filtered enclosure, you need to prepare your site for installation.
6 Chapter 2: Prerequisites Support, V ibration and Movement Requirement s At a minimum , the supporting structure usually consists of a base cabinet and chemical-resistant work surface. The ability for analytical balances to accommodate vibration varies with type and brand.
7 Cha p ter 2: Prere q uisite s Humidity and S t atic Electricity Requirement s Electrostatics can be troublesome in a balance enclosure. It is important to understand and, to the extent possible, control static charges. An electrostatic charged vessel, sample or enclosure can apply forces and lead to errors in weighing.
8 Chapter 2: Prerequisites The ability of a material to become polarized is a property known as permittivity . On highly insulative materials like acrylic, ions or charged molecules are strongly bound to the surface by polarization forces. The higher the force, the higher is the permittivity value of the material.
9 Cha p ter 2: Prere q uisite s The HEPA-filtered exhaust air can be recirculated into the laboratory or exhausted outside with the addition of the exhaust connection kit and remote blower listed in Chapter 7. The XPert Filtered Balance Station does not include the motorized impeller and must be exhausted to the outside by a rem ote blower.
10 Chapter 2: Prerequisites Proper blower selection can be determined from these exhaust requirements and the total system static pressure loss. For outside exhaust, the enclosure must be connected to either a dedicated blower or a house exhaust system.
11 C C H H A A P P T T E E R R 3 3 G G E E T T T T I I N N G G S S T T A A R R T T E E D D Now that the site for your filtered enclosure is properly prepared, you are ready to unpack, inspect, install, and validate your system. Read this chapter to learn how to: • Unpack and move the enclosure.
12 Chapter 3: Getting Started Unp acking the Enclosure Carefully remove the shrink-wrap or carton on the enclosure and inspect it for damage that may have occurred in transit. If damaged, notify the delivery carrier imm ediately and retain the entire shipment intact for inspection by the carrier.
13 Cha p ter 3: Gettin g Starte d 0.36" of the front of the work surface. Mounting holes are provided in the Labconco accessory work surfaces to secure the enclosure. Work Surface Specifications The work surface should be smooth, rigid, and durable, such as a chemical-resistant epoxy resin.
14 Chapter 3: Getting Started Figure 3-1 Filtered Enclosure Installation.
15 Cha p ter 3: Gettin g Starte d Connecting to the Exhaust System (Optional on XPert Filtered Balance System) The exhaust system should be installed by a qualified HVAC contractor . The exhaust connection on the XPert Filtered Balance Station has been designed to accept 6" diameter ductwork as shown in Figure 3-2.
16 Chapter 3: Getting Started Figure 3-2 XPert Filtered Balance Station only Model Series 3940200, 3940300, and 3940400.
17 Cha p ter 3: Gettin g Starte d Figure 3-3 Exhaust Duct Connection Kit shown installed on XPert Filtered Balance System (Optional) Kit #3924400 (2'), 3924401 (3'), and 3924402 (4').
18 Chapter 3: Getting Started Inst allation of HEP A Filters and Accessory Odor Control Carbon Filters HEPA Filters HEPA filters are shipped installed with the gasket on the downstream side. The HEPA filters are leak checked at Labconco. A second leak check is recommended before using the enclosure and at least annually thereafter.
19 Cha p ter 3: Gettin g Starte d Filter Type Appropriate Use HEPA 2' 3707900 3' 3707901 4' 3707902 HEPA filters are high-efficiency particulate air filters having a particulate removable efficiency of 99.99% for particles with a diameter of 0.
20 Chapter 3: Getting Started The maximum circuit load for the electrical relay is 6 amps. Only the remote blower wiring is connected inside the electrical junction box. The lights and airflow monitor are powered from a standard duplex electrical receptacle located nearby for connecting the power cord.
21 Cha p ter 3: Gettin g Starte d 230V Models The same procedure applies for the 230V except it is shipped without a plug. Install the appropriate plug for your electrical specifications per local codes.
22 Chapter 3: Getting Started individual ratings). For “field use” ASHRAE testing contact Labconco for a certified on-site contractor. For particulate powder validation, Labconco had containment testing performed to validate the enclosures for sodium naproxen powders.
23 C C H H A A P P T T E E R R 4 4 H H I I G G H H P P E E R R F F O O R R M M A A N N C C E E F F E E A A T T U U R R E E S S A A N N D D S S A A F F E E T T Y Y P P R R E E C C A A U U T T I I O O N.
24 Chapter 4: High Performance Features and Safety These concentrations of materials are predominantly rem oved on the “first pass” of airflow through the chamber resulting in high performance containment. The plenum and the HEPA filter are jacketed by negative pressure.
25 Chapter 4: High Performance Features and Safet y Not Shown 7, 9, 10, 11, 12, 13, 20, 21, 22, 23, 24, 25, 28 (See Figure 4-2) Figure 4-1 17 26 16 10 15 3 8 18 2 1 5 6 4 19.
26 Chapter 4: High Performance Features and Safety Figure 4-2 HEPA Filtered Enclosure Airflow Diagram.
27 Chapter 4: High Performance Features and Safet y 1. Aerodynamic Clean-Sweep™ Air Foil has a unique shape that allows air to sweep the work surface for maximum containment. The Clean-Sweep™ openings create a constant protective barrier from contaminants.
28 Chapter 4: High Performance Features and Safety 3. Upper Dilution Air Supply provides bypass air from above the work area. This feature constantly bathes the inside of the sash with clean air and reduces powders, particulate materials and chemical fum es along the sash plane, near the critical breathing zone.
29 Chapter 4: High Performance Features and Safet y Monitor also displays a face velocity value, provides an RS232 output, a night setback mode and several auxiliary relay ports. Both airflow monitors are available options on all XPert models. See Figure 4-1 and 4-2.
30 Chapter 4: High Performance Features and Safety 20. HEPA (High Efficiency Particulate Air) Filter is rated to remove 99.99% of all particles 0.3 micron in size. See Figure 4-2. 21. Lamp Ballast (Not Shown) for the fluorescent lam p is located behind the control panel.
31 Chapter 4: High Performance Features and Safet y Safety Precautions 1. Although the enclosure has been engineered to maintain optimum operator safety, caution should always be used while working.
32 Chapter 4: High Performance Features and Safety 12. The sash must remain in the down position while using the enclosure. 13. Proper performance of the enclosure depends largely upon its location and the operator’s work habits. Consult the references in Appendix D.
33 Chapter 4: High Performance Features and Safet y 20. Ensure that the filtered enclosure is connected to an electrical service in accordance with local and national electrical codes.
34 Chapter 4: High Performance Features and Safety 29. Use the smallest possible quantity of chemical(s) within the enclosure and never exceed the amount, which can be effectively adsorbed by the Odor Control carbon filter before breakthrough. 30. For weighing procedures, adjust face velocity between 60 and 100 FPM for effective operation.
35 C C H H A A P P T T E E R R 5 5 A A P P P P R R O O P P R R I I A A T T E E A A P P P P L L I I C C A A T T I I O O N N S S F F O O R R Y Y O O U U R R F F I I L L T T E E R R E E D D E E N N C C L L O O S S U U R R E E Now that the installation of your filtered enclosure is completed, you are ready to use your filtered enclosure.
36 Chapter 5: Using Your Filtered Encl osure and Appropriate Application • Arrange for minimal disruptions, such as room traffic or entry into the room while the enclosure is in use. Start-up • Turn on exhaust system and accessory light. • Only raise the sash for loading and cleaning.
37 Chapter 5: Using Your Filtered En closure and Appropriate Application Shutdown • Turn off the exhaust system and light. Suit able Applications NIOSH (National Institute for Occupational Safety and Health, USA) has established guidelines for chemical cartridge and HEPA filtered respirators.
38 Chapter 5: Using Your Filtered Encl osure and Appropriate Application • The HEPA filter will gradually accumulate airborne particulate matter from the room and from work performed in the enclosure.
39 Chapter 5: Using Your Filtered En closure and Appropriate Application PRODUCT. IT IS THE USER’S RESPONSIBILITY TO BECOME AWARE OF LOCAL REGULATIONS GOVERNING THE SAFE USE AND DISPOSAL OF CHEMICALS, CARBON AND HEPA FILTERS. KNOWLEDGE OF ESTABLISHED SAFE EXPOSURE LEVELS IS IMPERATIVE TO THE PROPER USE OF FILTERED ENCLOSURES.
40 Chapter 5: Using Your Filtered Encl osure and Appropriate Application immediate irreversible health effects. IDLH concentrations should not be approached in the enclosure. Appropriate Chemicals for Odor Control Carbon Filters Below is a general set of rules to determine appropriateness of chemical usage.
41 Chapter 5: Using Your Filtered En closure and Appropriate Application user continues to operate the enclosure with any of the following conditions present a potentially hazardous condition will exist: 1. The inlet concentration of vapors is greater than the TWA.
42 Chapter 5: Using Your Filtered Encl osure and Appropriate Application separate ventilated enclosure or vented fume hood should be used with a remote blower ducted to the outside. No exceptions are permitted, as the impeller lif e span will be limited with acid use.
43 C C H H A A P P T T E E R R 6 6 M M A A I I N N T T A A I I N N I I N N G G Y Y O O U U R R F F I I L L T T E E R R E E D D E E N N C C L L O O S S U U R R E E Monitoring airflow and changing the filters is the primary maintenance required. Decontamination m ay be required and is reviewed in Chapter 6.
44 Chapter 6: Maintaining Your Filtered Enclosure Routine Maintenance Schedule Weekly • Wipe down the interior surfaces of the enclosure with a disinfectant or cleaner, depending upon the usage of the unit and allow to dry.
45 Chapter 6: Maintaining Your Filtered Enclosure Annually • Replace the fluorescent lamps. • Have the enclosure validated by a qualified certification technician.
46 Chapter 6: Maintaining Your Filtered Enclosure How to Inst all a New HEP A Filter with the Bag-In/Bag-Out Procedure for XPert Filtered Balance Systems and S t ations The XPert enclosures include a true bag-in/bag-out filter disposal system for safely rem oving the HEPA filter and protect the worker from toxic powders and particulates.
47 Chapter 6: Maintaining Your Filtered Enclosure 9. Carefully fold and roll the new bag in four-inch pleats and push the bag into the access port. Reinstall the retaining strap and bungee cords. Turn the enclosure ON to draw a vacuum on the bag. Reinstall the front panel.
48 Chapter 6: Maintaining Your Filtered Enclosure Apparatus 1. An aerosol photometer ATI model 2D, 2E, 2G or equivalent . Air Techniques Hamilton Associates inc. 11403 Cron Ridge Dr. Owings Mills, MD 21117 2. One aerosol generator of the Laskin nozzle(s) type .
49 Chapter 6: Maintaining Your Filtered Enclosure 8. If necessary, adjust the speed control of the enclosure to maintain the following airflows at 90 fpm; 2' (130cfm ), 3' (200 cfm, 4' (265 cfm .) 9. Position the aerosol generator discharge in the intake of the baffle inside the enclosure.
50 Chapter 6: Maintaining Your Filtered Enclosure Calibrate and Operate the Airflow Monitors Guardian Airflow Monitor (LED Monitor) Refer to Figure 6-2 for operation and calibration. Labconco Airflow Monitor / Airflow Sw itch Operation The Guardian Airflow Monitor (LED) consists of a circuit board and an airflow switch.
51 Chapter 6: Maintaining Your Filtered Enclosure • External Alarm allows an external signal to sound the alarm, such as a sash open switch, or a “fail” signal from the building airflow system. • Alarm Disable allows an external signal to prevent a “low” airflow alarm from occurring.
52 Chapter 6: Maintaining Your Filtered Enclosure Figure 6-2 Guardian Airflow Monitor (LED) with Airflow Switch Guardian Digit al 1000 Airflow Monitor Refer to Figure 6-3 for operation and calibration. Refer to the separate Labconco 1000 Alarm Manual for detailed information.
53 Chapter 6: Maintaining Your Filtered Enclosure Operation The Guardian Digital Airflow Monitor consists of the airflow sensor, the Alarm Unit, and the 15 VDC power supply. For 115V operation the alarm unit is powered by plugging the power supply into the factory-prepared digital airflow monitor socket.
54 Chapter 6: Maintaining Your Filtered Enclosure To start the calibration, use the Labconco 1000 Manual and enter the “CALIBRATIION” mode on the display. Follow the instructions on the display and alter the low and high exhaust volumes with the speed control.
55 Chapter 6: Maintaining Your Filtered Enclosure Figure 6-3 Guardian Digital 1000 Airflow Monitor.
56 Chapter 6: Maintaining Your Filtered Enclosure Determination of When to Replace Odor Control Carbon Filters and How to Replace The carbon filters MUST be replaced when any one of the following two conditions are met: 1. The filtered enclosure outlet (exhaust) concentration approaches the inlet concentration, indicating filter saturation.
57 Chapter 6: Maintaining Your Filtered Enclosure syringe represents a 100-ml sample and corresponds to the num ber of strokes necessary to give the indicated color changes.
58 Chapter 6: Maintaining Your Filtered Enclosure 3. Re-install the new carbon filter with the gasket down. Replace the upper diffuser screen, clips and two screws.
59 Chapter 6: Maintaining Your Filtered Enclosure Formaldehyde only For formaldehyde, use 10% of the impregnated carbon weight. Formalin is 37% formaldehyde by weight. The density of form alin is 1.08 g/ml. Model Size Filter Size Pounds of Formasorb Carbon Adsorbed weight of Formaldehyde Adsorption Volume of Formalin 2' 18 x 18 x 1 7.
60 Chapter 6: Maintaining Your Filtered Enclosure • Measure of Line Voltage and Current • Smoke Test to determine proper airflow patterns • Lighting Intensity Test (when appropriate) • Noise Level Test (when appropriate) • Vibration Test (when appropriate) Fluorescent Light Replacement 1.
61 Chapter 6: Maintaining Your Filtered Enclosure 6. Reassemble the new motorized im peller by reversing the assembly steps. Figure 6-4 Motorized Impeller Replacement.
62 Chapter 6: Maintaining Your Filtered Enclosure S peed Control Replacement 1. Remove the bracket that the speed control is attached to. See Figures 6-1, 6-2 and 6-3. 2. Remove the two screws holding the speed control using a Phillips screwdriver. Refer to Appendix A for Replacement Parts Diagram.
63 C C H H A A P P T T E E R R 7 7 A A C C C C E E S S S S O O R R I I Z Z I I N N G G A A N N D D M M O O D D I I F F Y Y I I N N G G Y Y O O U U R R F F I I L L T T E E R R E E D D E E N N C C L L O O S S U U R R E E There are several ways to accessorize and modify the filtered enclosure for your individual requirements.
64 Chapter 7: Accessorizing and Modi fying your Filtered Enclosure 2. Guardian™ 1000 Digital Airflow Monitor or Guardian™ LED Airflow Monitor The Guardian Digital 1000 Airflow Monitor or Guardian LED Airflow Monitor allows you to continuously monitor airflow through the enclosure.
65 Chapter 7: Accessorizing and Modi fying your Filtered Enclosure Order the following: Part Description 3924400 2' Exhaust Transition Kit 3924401 3' Exhaust Transition Kit 3924402 4' Exhaust Transition Kit 4.
66 Chapter 7: Accessorizing and Modi fying your Filtered Enclosure 5. Exhaust Dampers Exhaust dampers allow adjustments required to m aintain proper airflow for roof-mounted blowers or house exhaust systems.
67 Chapter 7: Accessorizing and Modi fying your Filtered Enclosure 7. Storage Cabinets 8. Utility Shelf Kit Labconco offers a utility shelf kit part number 3925000 consisting of three shelves to hold items inside the enclosure. One shelf may be used for the printer, one shelf for spatulas and weigh brushes, and one miscellaneous shelf.
68 Chapter 7: Accessorizing and Modi fying your Filtered Enclosure.
69 C C H H A A P P T T E E R R 8 8 T T R R O O U U B B L L E E S S H H O O O O T T I I N N G G A A N N D D S S E E R R V V I I C C E E R R O O P P E E R R A A T T I I N N G G L L O O G G Refer to the following table if your filtered enclosure fails to operate properly.
70 Chapter 8: Troubleshooting PROBLEM CAUSE CORRECTIVE ACTION Blower won’t operate. Unit not plugged into outlet. Plug the enclosure into appropriate electrical service. Circuit breaker(s) or Ground Fault Interrupter. Reset circuit breaker. Blower wiring is disconnected.
71 Chapter 8: Troubleshootin g PROBLEM CAUSE CORRECTIVE ACTION Airflow Monitor Malfunction (Continued) Wrong alarm set point. Airflow monitor was not properly adjusted. Repeat calibration steps outlined in this manual in Chapter 6 or in the supplied Digital 1000 Monitor Manual.
72 Chapter 8: Troubleshooting Service Operating Record Log Customer Name Model Number Date Installed Serial Number Unit Location Date Comments.
73 A A P P P P E E N N D D I I X X A A F F I I L L T T E E R R E E D D E E N N C C L L O O S S U U R R E E C C O O M M P P O O N N E E N N T T S S A A N N D D R R E E P P L L A A C C E E M M E E N N T T P P A A R R T T S S The components that are available for your filtered enclosure are listed.
74 A ppendix A: Replacement Part s Item Qty. Part Number Description 1 1 3911000 Glass, Side 2A 1 3911900 Glass, Sash 2' 2B 1 3911901 Glass, Sash 3' 2C 1 3911902 Glass, Sash 4' 3A 1 391.
75 Appendix A: Replacement Part s Item Qty. Part Number Description 17A 1 3918500 Wiring Harness Main, 115V 17B 1 3918600 Wiring Harness Main, 230V 18A 1 3811500 Guardian Airflow Monitor Printed Circuit Board 18B 2 1885405 Screw Mach #6-32 x .31 PH Phil.
76 A ppendix A: Replacement Part s Item Qty. Part Number Description 30B 2 1893708 Screw, #10 x .50 PH Phil. Thd. Forming 31A 2 1881196 Capscrew, 3/8 –16 x 6.0 Lg. Hx. Hd. 31B 2 1924403 Sealing Washer 3/8 32A 1 3707900 HEPA Filter (2') 18 x 18 x 3.
77 Appendix A: Replacement Part s Use for XPert System and XPert Station 32 35 31 33 Placed on ledge above HEPA filter 7 23 34 24 25 26 28 29 30 36 16 9 11 1 10 6 2 3 4 5 12 20 14 13 40 19 18 22 17 21.
78 A ppendix A: Replacement Part s Use for XPert System, XPert Station, Digital Monitor and Bag 37 38 37 8 37 39 Needs to be sealed on XPert Station 37 19 Ships uninstalled as shown 20 18 23 32 42 Loc.
79 A A P P P P E E N N D D I I X X B B D D I I M M E E N N S S I I O O N N S S A A N N D D E E X X H H A A U U S S T T O O P P T T I I O O N N S S See the following dimensions and exhaust options for all the XPert Filtered Balance Systems and XPert Filtered Balance Stations.
80 A ppendix B: Dimensions and Exhaust Option s Figure B-1 XPert Filtered Balance System.
81 Appendix B: Dimensions and Exhaust Option s Figure B-2 XPert Filtered Balance Station.
82 A ppendix B: Dimensions and Exhaust Option s Figure B-3 Exhaust Duct connection Kit (Optional Installation on Integral Blower Models such as the XPert Filtered Balance System).
83 A A P P P P E E N N D D I I X X C C F F I I L L T T E E R R E E D D E E N N C C L L O O S S U U R R E E S S P P E E C C I I F F I I C C A A T T I I O O N N S S This Appendix contains technical information about all the XPert Filtered Enclosures including electrical specifications, environmental operating conditions and wiring diagrams.
84 A ppendix C: Filtered Enclosure Specifications • Used in an environment of Pollution degrees 2 (i.e., where normally only non-conductive atmospheres are present). Occasionally, however, a temporary conductivity caused by condensation must be expected, in accordance with IEC 664.
85 Appendix C: Filtered Enclosure Specification s C-1.
86 A ppendix C: Filtered Enclosure Specifications C-2.
87 Appendix C: Filtered Enclosure Specification s C-3.
88 A ppendix C: Filtered Enclosure Specifications C-4.
89 A A P P P P E E N N D D I I X X D D Q Q U U I I C C K K C C H H A A R R T T F F O O R R T T H H E E F F I I L L T T E E R R E E D D E E N N C C L L O O S S U U R R E E S S *excludes XPert Filtered Balance Station, since it has no integral blower.
90 A A P P P P E E N N D D I I X X E E R R E E F F E E R R E E N N C C E E S S O O N N V V E E N N T T I I L L A A T T I I O O N N , , S S A A F F E E T T Y Y , , O O C C C C U U P P A A T T I I O O N.
91 Appendix E: Reference s Occupational Health and Safety U.S. Department of Labor 200 Constitution Avenue N.W. Washington, DC 20210 (202) 523-1452 www.
92 A ppendix E: Reference s American Industrial Hygiene Association 2700 Prosperity Avenue, Suite 250 Fairfax, VA 22031 (703) 849-8888 www.aiha.org SEFA 1-2002 • Fume hood face velocities based on t.
93 Appendix E: Reference s General References American Conference of Governmental Industrial Hygienists . Industrial Ventilation, A Manual of Recommended Practice, Cincinnati, OH ASHRAE Standard Committee. ASHRAE Standard Atlanta: ASHRAE Publications Sales Department, 1995 British Standards Institution , Laboratory Fume Cupboards .
94 A ppendix E: Reference s Kruse, R.H., WH. Puckett and J. H. Richardson. 1991. Biological Safety Cabinetry , Clin. Microbiol. Rev. 4:207- 241. Miller, C.D., D.H.M. Groschel, J. H. Richardson, D. Vesley, J. R. Songer, R. D. Housewright and W. E. Barkley.
95.
For more information, please contact us: ExpotechUSA 10700 Rockley Road Houston, Texas 77099 USA 281-496-0900 [voice] 281-496-0400 [fax] E-mail: sales@expotechusa.
Een belangrijk punt na aankoop van elk apparaat Gentek 3950202 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
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In een situatie waarin je al een beziter van Gentek 3950202 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Gentek 3950202 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Gentek 3950202 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
