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Adam Equipment
MDW-250 L
Service Manual
Adam Equipment Co. Ltd.
p.n. 6094, Rev. B1, June 2005
© Adam Equipment Company 2005
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© Adam Equipment Company 2005
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CONTENTS 1.0 INTRODUCTION .............................................................................................2 2.0 KEYS AND DISPLAY DESCRIPTION .............................................................2 3.0 TROUBLESHOOTING THE MDW-250L..........................................................3 4.0 TECHNICAL SPECIFICATIONS......................................................................4 5.0 SETTING UP THE SCALE....................................................
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1.0 INTRODUCTION The MDW 250L scale is a Digital Physician Scale. It is an accurate electronic device with advanced design and stable performance. It is designed to measure both the weight and the height of a person. 2.0 KEYS AND DISPLAY DESCRIPTION KEYS FUNCTIONS [Tare/Zero To turn the scale on or off. On/Off] To zero the scale if the display drifts from zero. To tare the scale, if necessary. [Hold] To lock the reading even if the person to be weighed is
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3.0 TROUBLESHOOTING THE MDW-250L PROBLEMS SUGGESTIONS Nothing happens when Press the switch situated on side [On/off] is pressed of the indicator to ON, for battery operation Display turns ON but then Charge the battery goes off Check whether the cable from the Display shows “FULL” and base is properly plugged into the does not change when the socket on the indicator person to be weighed stands on the platform Check whether the cable is damaged The scale does not
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4.0 TECHNICAL SPECIFICATIONS Maximum capacity 250 kg Minimum capacity 2 k g Scale division 100 g Height range 70cm-190cm Division of measurement 0.5cm Accuracy class Display LCD Size of platform 372X272cm Overall dimension 535X275X940mm Deadweight 13Kg Environment for Use Temperature: 5’C-40’C; Humidity: <85℅ RH Power AC 220V through an adapter Battery Internal, re-chargeable 6V, 5 hours approx. 5.0 SETTING UP THE SCALE • Take the Physician scale out of the b
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• Position the height measuring rod and secure it by fixing its threaded end. • Connect the adapter power supply to the main power supply and put the switch at the rear of the scale to ON. 6.0 FUNCTION 6.1 WEIGHING • Place the Physician Scale on an even floor and press the [On/Off] key. • The instrument performs a self-test after which it is ready for operation. The display will show “SCALE”, “250.00” (Capacity), “Ur x.xx” (the software revision number), “10.0.0.0.0”,
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• Overload display: When “FULL” appears on the display, it shows that the load on the platform is over the maximum capacity. Under these circumstances, it is necessary to reduce the load otherwise the sensor or the platform will be damaged. • Hold Function: To lock the weighing result, press the [Hold] key. The arrow indicator will point towards HOLD and it will the show a steady reading even if the person on the platform is moving or goes away from the scale and will not affect the
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4. The indicator will show the selection capacity: “P1000” “P2000”….”P5000”, Select “P2500” for 250kg, then press the [On/Off] key once. 5. Indicator will automatically show the decimal points: “POT 0” “PT0.0” “T0.00” “T0.000”, “POT 0”. Select the “PT0.0” and press the [On/Off] key again. 6. Indicator will display “ULOAD”. Press the [On/Off] key again. 7. Indicator will show the internal value. After it is stable, it will show “LOAd”. 8. Put the mass (suggest the full cap
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8.0 WARNING • Do not dismantle the weighing machine without following the necessary instructions. • Do not jump while standing on the load-bearing board. This may damage the sensor inside. • Do not move the weighing machine violently and abruptly. It is recommended to move and put down the weighing machine gently. • It is suggested to wipe the stains with soft cloth soaked with detergent and to wipe later with soft cloth too. Do not use organic solutions and boiled wate
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9.0 ADJUSTMENT AND REPAIRS 9.1 ADJUSTMENT The users can not make any adjustments other than Calibration. 9.2 REPAIRS 9.2.1 ELECTRONICS REPAIR The most common electrical problems are- 1> Broken cables between the base and indicator, 2> Broken cables or poor connections on cables within the indicator. 3> Lead Acid battery has reached the end of its life. Check the cables for loose connections, poor contact or abrasions on the sides and replace as necessary. The bat
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Any broken knife edges, bent “S” links or severe misalignment can cause poor weighing results. Inspect for damage and try to re-align parts if necessary. If any of the mechanical parts are damaged or missing, it is usually not possible to do a cost- effective repair. Contact your Dealer or Adam Equipment for assistance. If the load is being directed to the load cell properly and still the weighing results are not satisfactory, then the load cell may be faulty. A couple of test
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10.0 DIAGRAMS © Adam Equipment Company 2005 11
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@Adam Equipment Company 2005
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Manufacturer’s Declaration of Conformity This product has been manufactured in accordance with the harmonised European standards, following the provisions of the below stated directives: Electro Magnetic Compatibility Directive 89/336/EEC Low Voltage Directive 73/23/EEC Adam Equipment Co. Ltd. Bond Avenue Denbigh East Estate Milton Keynes, MK1 1SW United Kingdom FCC COMPLIANCE This equipment has been tested and found to comply with the lim
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ADAM EQUIPMENT is an ISO 9001:2000 certified global organisation with more than 30 years experience in the production and sale of electronic weighing equipments. Products are sold through a world wide distributor network -supported from our company locations in the UK, USA and SOUTH AFRICA. The company and their distributors offer a full range of Technical Services such as on site and workshop repair, preventative maintenance and calibration facilities. ADAM’s products are predominantly
