Olympic Medical SMART SCALE 20, Instruction Manual

Page 1: ... 800 426 0353 U S or Canada CAUTION Read this instruction manual completely before using or servicing this product OLYMPIC SMART SCALE MODEL 20 25 Instruction Manual OLYMPIC MEDICAL 5900 1st Ave S Seattle WA 98108 USA www olymed com SS 5632A EN M12 ...

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Page 3: ...ray 1 2 Initial Battery Charge 1 3 Electrical Requirements 1 3 Battery Operation 1 3 International Safety Symbols 1 4 Section 2 Operation Summary Instructions 2 1 Controls 2 2 Status Lights 2 2 On Off 2 3 Averaging Tone Volume Control Knob 2 3 Setting Caster Brakes Model 25 2 4 Weighing the Baby 2 4 Baby Not Moving 2 4 Baby Moving 2 5 Weight Lock 2 5 To Weigh Next Baby 2 5 Grams Pounds Ounces 2 5 ...

Page 4: ... Procedure 3 2 Off Center Load Test 3 3 How Olympic Smart Scale Averages the Weight of an Active Baby 3 4 Troubleshooting 3 4 Disassembly 3 5 Problems Solutions 3 9 Replacing the Battery Pack 3 11 Replacing the Fuse 3 12 Replacing the Pico Fuse 3 12 Removing Internal Components 3 12 Adjusting the Zero Offset 3 13 Replacing the Tray Mounts 3 14 Full One Year Warranty 3 16 Replacement of PCBs Compon...

Page 5: ... Scale is an electronic baby scale Place the scale on a flat level table or counter surface Make sure that the scale cannot slide or walk off the edge Weight of scale with tray is approximately 26 lbs 11 7 kg The Model 25 Olympic Smart Scale is an electronic baby scale attached to a roll around mobile base Calibration Check Every Smart Scale is calibrated at the Olympic Medical factory before ship...

Page 6: ... CAUTION If using a Model 25 with roll around cart always lock casters before placing baby in tray Any time a tray is changed the scale must be calibrated and the zero offset adjusted with the new tray in place see Calibration on page 3 1 and Adjusting the Zero Offset on page 3 13 To remove the tray 1 Loosen four Phillips screws holding tray legs Fig 1C Fig 1C Tray Leg Phillips screw Tray Mount Fi...

Page 7: ...nected directly to a hospital grade electrical outlet These products are rated at 120 Vac 60 Hz 2 amps A 9 ft 2 8 m long power cord is included Products may be ordered that are rated at 220 240 Vac 50 60 Hz 0 1 amps They will be shipped without a plug Install the proper connector according to the following wire description Black AC high White AC low neutral Green Chassis ground Battery Operation T...

Page 8: ...e 1 4 OLYMPIC SMART SCALE Model 20 25 Installation International Safety Symbols The following international safety symbols are used on the scale Type B Equipment Protective Earth Ground See instructions P ...

Page 9: ...rt Scale set the caster brakes 2 To turn the scale display on press On Off display Wait for the Standby light to dim and for the 0 to appear on the weight display before weighing the baby 3 Press Gm lbs to select the appropriate unit of measure 4 If the baby is not moving the baby s weight will appear imme diately and the green Read light illuminates 5 The yellow Averaging light illuminates if the...

Page 10: ...n scale display on off If operating on batteries scale turns itself off automatically three minutes after last weighing Status Lights Status lights are shown in Fig 2A 5 Standby yellow When flashing scale is warming up and automatically zeroing Don t touch tray Wait until Standby light dims and 0 appears on display before placing baby on tray 6 Averaging yellow When flashing scale has detected bab...

Page 11: ...OTE The Standby light will not dim if tray is moving Make sure tray is not moving NOTE Blankets or other items placed on the scale before the 0 appears will not be weighed they will be tared out see Tare Function on page 2 6 Averaging Tone Volume Control Knob Turning the Averaging Tone Volume Control Knob fully to the left will silence the tone Fig 2B and 2C Rotating the knob to the right will inc...

Page 12: ...n against or touch the weighing tray or baby while weighing is in progress CAUTION Never leave an infant unattended in the tray CAUTION If using Smart Scale Model 25 always lock casters before placing baby in tray After 0 appears on the display place baby in center of tray Baby Not Moving If Smart Scale detects that the baby is not moving his weight will immediately appear and be locked on the dis...

Page 13: ...ght If you do touch the baby wait until the Averaging light dims and the Read light illuminates Then press Reweigh to weigh the baby again See Reweigh Feature on page 2 6 Weight Lock Weight will remain locked on display until Zero is pressed or the scale display is turned off When operating on battery power display automatically turns itself off after three minutes To Weigh Next Baby Press Zero an...

Page 14: ...l reappear on the display This means that the scale no longer takes the blanket weight into account and is ready to weigh another baby Overload If the load exceeds 15 kg 33 lbs 1 oz the overload signal on the display panel will illuminate Reduce the weight on the scale Reweigh Feature After the baby has been weighed green Read light illuminates you can press Reweigh to weigh the baby again as many...

Page 15: ...he Smart Scale has a rechargeable battery pack that automati cally charges whenever the scale is connected to a wall outlet When charging Charging illuminates on display The scale can be used while connected to an electrical outlet with the battery pack removed or while the batteries are charging Battery Charge Life With batteries fully charged scale will operate for approximately three hours of c...

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Page 17: ...emiconductors on the PCBs can be damaged by electrostatic discharge or contamination by body oil Observe proper handling cautions at all times Calibration The scale can be accurately calibrated with any size tray in place and the various size trays can be used interchangeably However any time a tray size is changed the scale must be calibrated and the zero offset adjusted see Adjusting the Zero Of...

Page 18: ...e weight has drifted by significantly more than two grams see Troubleshooting on page 3 17 Calibration Procedure 1 Ensure scale cart is on a firm level surface and protected from moving air Ambient temperature should be 70º 75ºF 21 1º 23 8ºC 2 Press and hold Zero and then press On Off The current software revision e g CAL 1 0 will first appear on the display Fig 3A then C 0 will appear Fig 3B whil...

Page 19: ...igh and record the displayed weight 3 Repeat step 2 for the other test points shown in Fig 3D 4 If any of the displayed weights from the test points differ 6 g from the displayed weight from the center of the tray the loadcell may be damaged and require replacement Contact the OIympic Medical Service Department Fig 3D For information or assistance Call 800 426 0353 USA or Canada Fig 3D Test point ...

Page 20: ...ter an additional 18 readings it still has not found four compatible readings the Smart Scale will display and lock on the last average To assure accuracy design parameters for calculating averaged weight were determined by weighing active babies on a special platform using a strip chart recorder to measure the dynamic forces generated by the baby s weights and movements The software program for w...

Page 21: ...service After identifying a problem PCB see Removing Internal Compo nents on page 3 12 NOTE Do not remove PCBs for troubleshooting Disassembly WARNING Electrical shock hazard when enclosure is removed Disconnect power cord from electrical outlet before cleaning or servicing CAUTION PC boards contain static sensitive parts Always use appropriate ESD protection when enclosure is removed 1 Turn the s...

Page 22: ...f Model 25 scale needs to be returned to Olympic Medical for servicing only the scale portion needs to be removed and returned 4 Carefully slide the front edge of scale over edge of a bench Remove the front screw and then loosen the two screws on the front bottom hatch Fig 3H 5 Slide hatch back and lift out its front edge Slip the flat ribbon cable out of retaining clip and remove hatch Fig 3G Bas...

Page 23: ... scale Fig 3J Display panel now faces rear 8 Internal components are now exposed to allow troubleshooting measurements see Problems Solutions on page 3 9 CAUTION To avoid risk of electrical shock when unit is disassembled use battery power for troubleshooting whenever possible 9 Reassemble the scale in reverse order of disassembly CAUTION Smart Scale must be recalibrated after it has been disassem...

Page 24: ... Model 20 25 Service Fig 3K Beeper Pot Tray Mount From Load Cell Spider Power Cord Line Filter Battery Pack To Display Board Battery Connector Spider Mounting Bolts Fuse Battery Cable Clamp Power Supply PCB Transformer T1 Main PCB ...

Page 25: ...nce replace the defective PCB NOTE The scale will not zero unless the tray is in place Make sure tray is in place when troubleshooting Standby light blinks but scale will not show zero The signal is beyond the zero capture range or unstable 1 With tray on scale place the scale in the counts mode see page 3 11 The displayed counts must be 500 5000 If out of range a Test the loadcell see page 3 11 R...

Page 26: ...rate battery voltage should be approximately 8 4 Vac a If not replace battery pack b If so replace power supply board Reweigh Gm Lb or Zero switches do not work 1 Make sure the membrane switch panel is properly connected NOTE If S1 jumper is installed on main PCB see page 3 24 the Gm Lb switch will be disabled and the scale will display grams only 2 With power off check resistance of switch at pin...

Page 27: ...at any time Counts Mode Press Reweigh while turning scale on to view Raw AD counts Replacing the Battery Pack WARNING Electrical shock hazard when enclosure is removed Disconnect power cord from electrical outlet before cleaning or servicing CAUTION PC boards contain static sensitive parts Always use appropriate ESD protection when enclosure is removed 1 Turn scale off and disconnect power cord fr...

Page 28: ... 3 5 3 Remove fuse from fuse holder Fig 3K and replace with 3 8 amp 250 Vac Slo Blo fuse see page 3 16 4 Reassemble the scale by reversing the steps described in Disassembly on page 3 5 Replacing the Pico Fuses The pico fuses are labeled F1 and F2 To remove simply pull the pico fuse straight up off of the power supply board Once removed from the power supply board the pico fuses can be checked for...

Page 29: ...the Zero Offset NOTE The Zero Offset must be adjusted after replacing the main PCB 1 Place the scale on blocks high enough to allow access to the potentiometer ports on the underside of the scale Ensure that the tray is in place 2 Access counts mode by pressing Reweigh while turning on the scale On Off 3 Place the tray on scale and place a 7 5 kg weight available from Olympic Medical Catalog No 56...

Page 30: ...djusting the VR4 return the scale to Olympic Medical for service NOTE Recalibrate the scale before use Replacing the Tray Mounts If a tray mount becomes stripped and will no longer tighten on the tray leg replace the mount as follows 1 Turn scale off and disconnect power cord from electrical outlet 2 Remove the scale enclosure see Disassembly on page 3 5 3 The tray mounts are attached to the spide...

Page 31: ...nstalls and removes easily from the mounts Adjust the mounts by loosening or tightening the bolts as necessary 7 With the new tray mounts snugly fastened install the spider on the scale base NOTE Before tightening the spider ensure it is parallel to the edges of the base and that both sides of the spider are equidistant 1 16th from the sides of the base 8 Reassemble the scale by reversing the Disa...

Page 32: ... returned to Olympic Medical 5900 First Avenue South Seattle WA 98108 Repair Parts Spider Support Arm Assembly 400290 Tray Mount Assembly 302099 Volume Control Knob 100124 Newborn Tray 56307 Main PCB Assembly 401193 Power Supply PCB Assembly 400864 Display PCB Assembly 400865 Front Panel Assembly 400335 120 Vac Transformer Filter Assembly Transformer 200254 Line Filter 200129 Ribbon Cable Power Su...

Page 33: ...ing main PCB Test the board see Problems and Solutions on page 3 9 Malfunctioning display PCB Test the display PCB see Problems and Solutions on page 3 9 Defective display panel cable Test the display cable Scale will not reweigh when Reweigh is pressed Malfunctioning membrane switch panel Test the switch panel see Problems and Solutions on page 3 9 Defective display panel cable Test the display c...

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Page 35: ...Page 3 19 OLYMPIC SMART SCALE Model 20 25 OVERALL WIRING DIAGRAM DRAWING NO 700157 Rev A ...

Page 36: ...Page 3 20 OLYMPIC SMART SCALE Model 20 25 SCHEMATIC MAIN BOARD DRAWING NO 700142 Rev E SHEET 1 OF 3 ...

Page 37: ...Page 3 21 OLYMPIC SMART SCALE Model 20 25 SCHEMATIC MAIN BOARD DRAWING NO 700142 Rev E SHEET 2 OF 3 ...

Page 38: ...Page 3 22 OLYMPIC SMART SCALE Model 20 25 SCHEMATIC MAIN BOARD DRAWING NO 700142 Rev E SHEET 3 of 3 ...

Page 39: ...Page 3 23 OLYMPIC SMART SCALE Model 20 25 SCHEMATIC POWER SUPPLY BOARD DRAWING NO 700213 REV ...

Page 40: ...Page 3 24 OLYMPIC SMART SCALE Model 20 25 DISPLAY PCB DRAWING NO 400865 Rev C POWER SUPPLY PCB DRAWING NO 400864 Rev C ...

Page 41: ...OLYMPIC SMART SCALE Model 20 25 Page 3 25 MAIN PCB DRAWING DRAWING NO 401193 Rev ...

Page 42: ...Page 3 26 OLYMPIC SMART SCALE Model 20 25 SCHEMATIC DISPLAY BOARD DRAWING NO 700143 Rev A ...