Adam Equipment
MDW-250 L
Service Manual
Adam Equipment Co. Ltd.
p.n. 6094, Rev. B1, June 2005
© Adam Equipment Company 2005
© Adam Equipment Company 2005
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...............................................................................4
6.0 FUNCTION ......................................................................................................5
6.1 WEIGHING...................................................................................................5
6.2 MEASURING HEIGHT .................................................................................6
7.0 USER CALIBRATION ......................................................................................6
8.0 WARNING........................................................................................................8
9.0 ADJUSTMENT AND REPAIRS........................................................................9
9.1 ADJUSTMENT .............................................................................................9
9.2 REPAIRS......................................................................................................9
9.2.1 ELECTRONICS REPAIR ..........................................................................9
9.2.2 MECHANICAL REPAIR............................................................................9
10.0 SECTIONAL VIEW OF MDW-250L ...............................................................11
© Adam Equipment Company 2005
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
On/Off]
To turn the scale on or 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 moving.
[Kg/ lb] To toggle the weighing unit between Kg. and lb
DISPLAY DESCRIPTIONS
ZERO This indicator will be displayed in the left corner when the scale
reaches zero.
The arrow indicator will point at Kg, lb, Hold or/and Tare marked near
the LCD panel, as on when they are chosen.
When the battery is low, this symbol will be displayed in the left of the
display. Connect the adapter to recharge the battery.
The charge light will be on when the battery is recharging.
Full
Full
FullFull
When the load on the platform is over the maximum capacity, it will
appear on the display.
© Adam Equipment Company 2005 2
3.0 TROUBLESHOOTING THE MDW-250L
PROBLEMS SUGGESTIONS
Nothing happens when
[On/off] is pressed
Display turns ON but then
goes off
Display shows “
FULL”
and
does not change when the
person to be weighed
stands on the platform
The scale does not weigh
accurately
Display does not change
Press the switch situated on side
of the indicator to ON, for battery
operation
Charge the battery
Check whether the cable from the
base is properly plugged into the
socket on the indicator
Check whether the cable is
damaged
Calibrate the scale
Check the kg/lb selection before
weighing
Charge the battery
Check the cable
The person on the scale should
not move
Check nothing is rubbing against
the platform
Check the base assembly is not
damaged
Replace the PCB
Check HOLD is not activated
© Adam Equipment Company 2005 3