Yamato AW-WPS User manual

0
Digital Portion Scale
AW-WPS
SERVICE MANUAL
PLEASE TAKE THE TIME TO READ THESE INSTRUCTIONS BEFORE
STARTING TO USE THE SCALES

1
TABLE OF CONTENTS
TABLE OF CONTENTS ..........................................................................1
SPECIFICATIONS ...................................................................................2
OVERLAY ...............................................................................................2
KEY FUNCTION .....................................................................................3
PREPARING SCALE FOR WEIGHING ..................................................4
CHANGING THE WIRELESS DISPLAY’S CHANNEL .........................4
SELECTING THE SCALE PLATFORM’S CHANNEL ...........................5
USING THE TARE FUNCTION ..............................................................6
SETTING MODE.....................................................................................7
SETTING FUNCTION DESCRIPTION...................................................8
CALIBRATION PROCEDURE................................................................9
TABLE-TOP STAND AND WALL MOUNTS........................................10
POWER SOURCES................................................................................11
CONTROL PANEL ................................................................................12
LCD FORMAT .......................................................................................13
PARTS &ASSEMBLY DRAWING........................................................14
TROUBLE SHOOTING.........................................................................15
ERROR MESSAGES..............................................................................16

2
SPECIFICATIONS
Model AW-WPS
Capacity
0-10 lb x 0.05 oz/10-30 lb x 0.1 oz
0-5 kg x 0.002 kg(2 g)/5-15 kg x 0.005 kg (5 g)
30 lb x 1/8 oz
Weight Unit lb:oz(decimals)
lb:oz(fractions)/kg
LCD Readout 1” LCD readout
Dimensions 14” x 14” x 1.6”
Buttons ON/OFF, HOLD, Unit, Tare, Channel
Power
Supply
 10 x AA batteries
(6 for base, 4 for remote,not included.)
 2 120V AC adapters
(1 for base, 1 for remote (included))
Operation
Temperature 32°F / 104°F (0℃/ 40℃)
OVERLAY

3
KEY FUNCTION
Press to turn the scale ON or OFF.
Press to ‘Tare’(zero) the weight of any item while
weighing.
Press to ‘Hold’the weight on the screen.
Press to switch between lb:oz and kg units of
measurement.
Press to reset the scale to zero(TARE function)if
the scale does not show zero automatically.
Icon flashes when scale is ready for a weighing.
Stability display:
If the display shows‘o’,the weight is stable on the
scale. If the display shows ‘ ’, the weight is
unstable.
The ‘Hold’ weighing function is active.
kg ←→ lb:oz Indicates the Weighing unit [kg ←→ lb:oz].
Stored ‘Tare’value.
Touch-free taring field.
-/ o on base
On (-) /Off (o) switch for scale base.

4
PREPARING SCALE FOR WEIGHING
Before Weighing
1. Please select the scale’s channel to match the wireless display. (The
scale’s channel indicator is located on the scale’s base; please remove
the rubber stopper to access the channel indicator.)For example: If the
wireless display is using Channel-1, select Channel-1 for the
scale.(Please see Page 6 for instructions for selecting platform channels.)
2. Press the ON/OFF button to turn on the scale.
3. Please make sure that the distance between the scale base and the
wireless display is within 30 feet (10 meters).
Note: If the scale’s channel is not same as the wireless display, ‘88888’will
appear on the display. Set the scale and wireless display to the same
channel.
Weighing
1. Press the ON/OFF button to turn on the scale.
2. ‘88888’appears on the screen, then ‘0’ and ‘ ’will flash.
The scale is ready for weighing.
*NOTE- If the “88888” display does not show ‘01, press the
button to change the wireless display’s channel to match the scale’s
channel. For example: If the scale’s channel is set to Channel-1, please
select Channel-1 for the wireless display also.
CHANGING THE WIRELESS DISPLAY’S CHANNEL

5
Press the button to select the wireless display channel.
Channel numbers (1, 2, 3) are shown on the left hand side of the display.
When a channel is selected,a triange icon points to the selected channel.
For example- If Channel-1 is selected,
the triange icon points to ‘1’.
Channel 1
Channel 2
Channel 3
SELECTING THE SCALE PLATFORM’S CHANNEL

6
To select the scale platform’s channel, first turn off the scale base and
wireless display units. Then use the dip switch, which is located on the
bottom of the scale under the rubber stopper. The dip switch has four pins
marked ‘1, 2, 3, 4’(Pin-4 is not active; only 3 channels are available for
use.) To select a channel, move the pin toward the ‘ON’ mark (pictured
below). For example- To select Channel-1 for the scale, move Pin-1
towards the ‘ON’ mark. Turn on the scale base first, then the wireless
display for use.
The dip switch is on the bottom of the scale platform under the rubber
stopper.
Channel 1 Channel 2 Channel 3
USING THE TARE FUNCTION

7
The Tare Function allows the user to zero the scale to cancel out the weight
of a container, thus giving the weight of the item being weighed.
Press the ON/OFF button to turn on the scale.
Place the containter on the scale platform.
Press the ‘TARE’ button after the weight stabilizes and stable sign
displays.
The display will reset to ‘0’.
Place the item to be weighed on the platform(without removing the
‘tared’container).
OR
Touch Free Tare Function: This scale is equipped with ‘Photo eye
mechanism’ for a touch free ‘TARE’ function. Simply pass your hand over
the ‘Photo eye’sensor and the scale will tare the weight.
Place the container to be tared on the scale platform.
Pass your hand over the sign on the indicator.
The display will reset to ‘0’.
Place the next item to be weighed on the scale platform.
To reset the ‘TARE’to zero, remove the tared container from the platform
and press the ‘TARE’ button, or pass your hand over the sign.
SETTING MODE

8
Please press and hold ON/OFF key and press TARE key 3 times at same
time. The display shows SETUP and then followed y UNIT appears.
SETTING FUNCTION DESCRIPTION
Press to move right or
down as shown in
setup flowchart.

9
Function Description Default
(Units): lb , kg
kg, lb
(Graduations):Setting division, max
capacity and graduation
1500d / 2000d / 2500d / 3000d / 6000d
3000d
(Auto off Time): 120 sec/ 180 sec/ 240
sec/ 300 sec/ OFF
180
(Hold range): 2d/ 5d/ 10d/ 15d
5d
(Gravity): on , off
off
(Touch less feature): on , off
on
To confirm the settings and end the
procedure
CALIBRATION PROCEDURE

10
In weighing mode press the UNIT key and keep it pressed until “CAL”
followed by the weight value of the required adjustment weight in
displayed. “LOAD” is displayed alternatively. (You can press UNIT key
to change lb or kg.)
Carefully place the required adjustment weight in the center of the
weighing plate then press TARE key, adjustment is started.
Wait until the stability display appears, after that the adjustment is finished.
The balance will automatically return to weighing mode upon successful
completion of the adjustment and will display the weight of the adjustment
weight.
Take away adjustment weight.
TABLE-TOP STAND AND WALL MOUNTS

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You may stand the scale platform on a table. Adjust the angle of the
wireless display for easy viewing.
Table top display:
Wall display:
The wireless display may be mounted to a wall. Use the mounting
material included.
1. Screw the screws to the wall as shown.
2. Push the wireless display onto the well.
POWER SOURCES

12
This scale’s weighing platform and wireless dislay require separate electric
power. Before using the scale, please make sure that both the scale base
and wireless display have batteries correctly installed or both adapters
correctly plugged in.
The scale base uses 6 AAA batteries and the wireless display uses 4 AAA
batteries (batteries not included), or the units use a 120VAC adapter each
(2 adapters included).
CONTROL PANEL
If displays on the LCD, please use the included
Taylor adapters or replace the batteries.
Insert an adapter into the bottom of the wireless display and
the scale base.
Indicator - AC Jack
Connector
Weighing Platform-AC Jack
Connector

13
When control panel switch damaged. Using multi-meter to measure
voltage of control panel. Reconnect control panel. Make sure that
control panel is connected to the correct housing.
If problem persists, replace a new control panel.
LCD FORMAT

14
When power on, the scale shows non-complete segments. Please check
the LCD pin (please refer to above LCD format). Check whether LCD
pins are soldered properly or not.
PARTS & ASSEMBLY DRAWING

15
TROUBLE SHOOTING

16
ERROR MESSAGES

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Message Description
Low battery indicator for wireless display:
This warning indicates the batteries for the
wireless display are low. Please replace all the
batteries or use the AC adapter for operation.
Low battery indicator for scale base:
This warning indicates the batteries for the scale
base are low. Please replace all batteries or use
the AC adapter for operation.
EEPROM error for wireless display:
The programming for the wireless display has an
error.Please contact customer service.
EEPROM error for scale base:
The programming for the scale base has an
error.Please contact customer service.
Overload or counting error (too high):
The weight or count capacity is over the limit.
Please reduce the weight/count and try again.
Overload or counting error (too low):
The weight or count capacity is under the limit.
Please increase the weight/count capacity and try
again.