Welch Allyn 4302 Directions For Use Manual

Welch Allyn Diaper and Organ
Scale

Directions for use

Model 4302

© 2016 Welch Allyn. All rights are reserved. To support the intended use of the product described in this
publication, the purchaser of the product is permitted to copy this publication, for internal distribution
only, from the media provided by Welch Allyn. No other use, reproduction, or distribution of this
publication, or any part of it, is permitted without written permission from Welch Allyn.

Welch Allyn assumes no responsibility for any injury to anyone, or for any illegal or improper use of the
product, that may result from failure to use this product in accordance with the instructions, cautions,
warnings, or statement of intended use published in this manual.

Software in this product is Copyright 2016 Welch Allyn or its vendors. All rights are reserved. The
software is protected by United States of America copyright laws and international treaty provisions
applicable worldwide. Under such laws, the licensee is entitled to use the copy of the software
incorporated with this instrument as intended in the operation of the product in which it is embedded.
The software may not be copied, decompiled, reverse-engineered, disassembled, or otherwise reduced
to human-perceivable form. This is not a sale of the software or any copy of the software; all right, title,
and ownership of the software remain with Welch Allyn or its vendors.

For information about any Welch Allyn product, contact your local Welch Allyn representative: http://

www.welchallyn.com/en/other/contact-us.html.

724498

DIR 80021238 Ver. A Revision date: 2016–05

Welch Allyn, Inc.

4341 State Street Road

Skaneateles Falls, NY 13153 USA

www.welchallyn.com

This manual applies to 901110 NONMASTED SCALES.

Contents

Introduction ............................................................................................. 1

Assembly and setup ................................................................................ 5

iii

Intended use ........................................................................................................ 1

Indications for use ................................................................................................ 1

Symbols ............................................................................................................... 1

About warnings and cautions ............................................................................... 2

Controls and indicators ........................................................................................ 3

Assembly instructions .......................................................................................... 5

Custom setup ...................................................................................................... 5

Scale operation ........................................................................................ 7

Power options ...................................................................................................... 7

Audible beeps ...................................................................................................... 7

Weighing procedure ............................................................................................. 8

Diaper weighing procedure .................................................................................. 8

Storage, cleaning, and maintenance ..................................................... 9

Storage ................................................................................................................. 9

Cleaning ............................................................................................................... 9

Battery replacement ............................................................................................ 9

Maintenance ........................................................................................................ 9

Troubleshooting ................................................................................................. 10

Appendices ............................................................................................ 11

Specifications ..................................................................................................... 11

Product configurations ....................................................................................... 12

Approved accessories ........................................................................................ 12

Warranty ............................................................................................................ 12

iv Contents Welch Allyn Diaper and Organ Scale

Introduction

Intended use

The Welch Allyn Diaper and Organ Scale is intended to be used by clinicians for weighing
items up to 11 pounds (5 kg) for models 4302-EK and 4302-EX, and 6.6 pounds (3 kg) for
models 4302-XK and 4302-XX.

1

Indications for use

The Welch Allyn Diaper and Organ Scale is used by clinicians to weigh items up to 11
pounds (5 kg) for models 4302-EK and 4302-EX, and 6.6 pounds (3 kg) for models 4302­XK and 4302-XX.

Symbols

Documentation symbols

WARNING The warning statements in
this manual identify conditions or
practices that could lead to illness, injury,
or death. Warning symbols will appear
with a grey background in a black and
white document.

Consult Directions for Use

Shipping, storing, and environment symbols

Caution The caution statements in this
manual identify conditions or practices
that could result in damage to the
equipment or other property, or loss of
data.

Temperature limit

Separate collection of Electrical and
Electronic Equipment. Do not dispose as
unsorted municipal waste.

Keep dry

Fragile

2 Introduction Welch Allyn Diaper and Organ Scale

Humidity limitation

This way up Stacking limit by number

Recyclable

Miscellaneous symbols

Manufacturer

Product Identifier For indoor use only

Atmospheric pressure limitation

Reorder Number

Serial Number Prescription only or "For Use by or on the

Battery Power

About warnings and cautions

Caution statements can appear on the Welch Allyn Diaper and Organ Scale, the
packaging, the shipping container, or in this Directions for use.

The Welch Allyn Diaper and Organ Scale is safe for patients and clinicians when used in
accordance with the instructions and caution statements presented in this Directions for
use.

Before using the device, you must familiarize yourself with all cautions, with the steps to
power up the device, and with the sections of this Directions for use that pertain to your
use of the device. In addition to reviewing the general cautions presented in the next
section, you must also review the more specific cautions that appear throughout the
manual in conjunction with setup/startup, operation, and maintenance tasks.

Failure to understand and observe any warning statement in this manual could lead

•
to patient injury or illness.

• Failure to understand and observe any caution statement in this manual could lead to
damage to the equipment or other property, or loss of patient data.

order of a licensed medical professional"

Directions for use Introduction 3

General warnings and cautions

WARNING Patient injury risk. Make sure the scale is properly cleaned
between measurements.

WARNING Patient or operator injury risk. Make sure the scale is
positioned on a stable surface and in a way to avoid shock or bumping
hazards.

CAUTION Make sure that you routinely perform general maintenance and
equipment safety checks on your scale. Remove the scale from service
when you notice damaged power cords.

CAUTION Make sure the scale is set in the proper measurement units for
your facility. Make sure you record the measurement units as they are
displayed.

Controls and indicators

Scale

1 Weighing platform

2 Battery access door (located on the bottom of the cabinet)

3 Front panel

4 Introduction Welch Allyn Diaper and Organ Scale

Front panel buttons

Button Function

ZERO Press this button to reset the scale to zero.

ON Press this button to turn on the scale.

GRAMS Press this button to display the weight in grams.

LB Press this button to display the weight in pounds and ounces.

If you purchased a scale with the grams-only option, this button is not present.

ST

Note

Press this button in conjunction with ON to enter the setup mode.

Assembly and setup

The scale is fully assembled at the factory and tested. In some instances, the scales are
shipped assembled. However, due to size and shipping restrictions, most scales are
partially disassembled. If assembly is required, it can be done with common hand tools.
When special tools are required, they are supplied with the scale. Ensure that all bolts
and fasteners are securely tightened.

Use the following instructions to assemble and setup your scale for use.

5

Assembly instructions

The scale is shipped with batteries installed and is ready for use.

1.

Carefully remove all parts from the shipping carton and inspect the components for
shipping damage.

2. Place the scale on a counter or table.

3. Press ON to turn on the scale.

The scale beeps once and displays 888888, followed by 4302.

4. The scale is ready for use.

Custom setup

You can customize the scale to best suit your needs. Configurations that can be selected
include the automatic shut-off time, weighing units, weight resolution, and more.

Enter custom setup mode

1. Make sure the scale is powered down.

2. Press and hold ST while pressing ON.

3. Once the scale powers up, release ST and quickly press and release ST five times.

Set the options

Enter the custom setup as described.

Press

The options displayed with each press are as follows:

The scale displays SEt-UP and produces a series of four long beeps.

ST to scroll through the custom setup options.

6 Assembly and setup Welch Allyn Diaper and Organ Scale

Press the setup mode select button to turn these options On or OFF.

Note Options indicated with an asterisk require an additional press

of ST to change the value.

Option displayed Feature

SOFt This option displays the software version of your scale.

dAtE This option displays the release date of the software. The format is MM/DD/YY.

SCALE This option displays the model number of the scale.

AutOFF* This displays the number of seconds before the scale turns off when operating on battery power.

The Cont value prevents the scale from turning off automatically.

AC con* This option causes the scale to remain on when plugged in to AC power.

rES This option allows you to change the resolution of weight. Pressing the setup mode select button

switches between the following options:

0.001

0.002

0.005

0.010

UnitS* This option allows you to change the weight units.

Note Do not change the scale units if you have purchased the gram-only option.

POUNDS* This option allows the weight to display in pounds.
OUNCES* This option allows the weight to display in ounces.

GRAMS* This option allows the weight to display in grams.

bEEPEr* This option determines the audible signal that occurs when a front panel button is pressed.

PC brd*

SEt-UP

This option displays the model number of the printed circuit board. A third press of ST displays
the revision of the printed circuit board.

This option is displayed when you have cycled through all the options. Press and hold ON to
power down the scale.

Scale operation

Power options

The scale can be used with battery power or with AC power.

Battery power

CAUTION Use only size C disposable alkaline batteries. The use of any

other battery will void the warranty.

7

Press ON to turn on the scale.

The scale automatically turns off after 45 seconds of non-use when on battery power.

The LO BATT indicator displays when the battery power is low.

bAttrY appears on the control panel when the batteries are unable to properly power the
scale.

Replace the batteries when either of these messages appear.

AC power

When plugged in, the scale continuously runs on AC power automatically.

The scale switches to battery power when AC power is not present.

Audible beeps

The following beeps occur when using the scale.

Sound Meaning

One beep Acknowledgment of a button press.

Two beeps The scale is zeroed and ready to take a measurement.

Three beeps The weight reading is obtained and displayed.

Four long
beeps

Four short
beeps

The battery is too weak to operate the scale.

The scale has entered setup mode.

Scale operation Welch Allyn Diaper and Organ Scale

8

Long/short
beeps

Continuous
long beep

There is a problem with the scale. See the troubleshooting section.

There is a problem with the scale. See the troubleshooting section.

Weighing procedure

1. Press ON to turn on the scale.

The scale goes through the startup sequence.

2. (Optional) Press ZERO to zero the scale.

3. Place the item you wish to weigh on the scale.

Three beeps sound and the weight is displayed.

4. Record the measurement displayed on the scale.

Note A measurement is stored in the scale until a new weight is

taken and zeroes out.

A stationary display of - - indicates a negative weight. Press ZERO to set the zero.

If O-LOAd is displayed, the item on the scale exceeds the weight capacity of the scale.

Diaper weighing procedure

1. Press ON to turn on the scale.

The scale goes through the startup sequence.

2. (Optional) Press ZERO to zero the scale.

3. Place a dry diaper of the proper size on the weighing platform, and ensure that the
scale is in grams mode.

Three beeps sound and the weight is displayed.

4. Record the measurement displayed on the scale, and remove the dry diaper.

5. Place the wet diaper on the scale.

Three beeps sound and the weight is displayed.

6. Record the measurement displayed on the scale.

Note A measurement is stored in the scale until a new weight is

taken and zeroes out.

7. Subtract the dry weight measurement from the wet weight measurement to obtain
the weight change in grams.

The result is equivalent to the urine sample in CC.

A stationary display of - - indicates a negative weight. Press ZERO to set the zero.

If O-LOAd is displayed, the diaper exceeds the weight capacity of the scale.

Storage, cleaning, and maintenance

Storage

The scale should be stored in a convenient storage facility or closet. Make sure to not
leave the scale in an area where someone could trip on it or run into it.

Cleaning

9

1. Clean the scale after each use.

2. Use one of the following products when cleaning your scale:

70 percent isopropyl alcohol

PDI Sani-Cloths

Battery replacement

CAUTION Use only size C disposable alkaline batteries. The use of any
other battery will void the warranty.

1. Using a screwdriver, remove the three fasteners on the access door located on the
bottom of the control panel housing and remove the door.

2. Install new batteries in the battery holder. Make sure to follow the polarity
instructions.

Note In instances where the scale is not used often, replace the

batteries annually.

3. Re-attach the access door.

Maintenance

Routinely perform the following preventive maintenance to keep your scale in working
order.

®

Check the calibration annually or as required.

1.

2. Inspect the scale for cracks or loose mounting hardware. Replace or repair as
necessary.

3. Visually inspect the scale enclosure for damage or loose or missing hardware.
Replace or repair as necessary.

4. If equipped, inspect the AC line cord for abrasions or other signs of wear.

10 Storage, cleaning, and maintenance Welch Allyn Diaper and Organ Scale

5. Do not expose the scale to excessive water or moisture.

6. Do not store the scale where heavy objects can be placed on it.

7. Replace the batteries annually or as required.

8. Do not service or perform maintenance while the scale is in use with a patient.

Troubleshooting

This section presents tables of information to help you troubleshoot issues with the
scale.

To use these tables, locate the specific problem with your scale in the left column of the
table. The remainder of the row explains possible causes and suggests actions that can
resolve the issue.

Issue Possible cause Suggested action

The weight measurement is not
accurate

The weight measurement takes too
long to display

The scale displays O-LOAd

The measurement does not change
when weight is applied to the
scale

The scale buttons are not
responding

The error message E-FAIL is
displayed

The error message r-FAIL is
displayed

There may be a mechanical obstruction on the
platform

The platform may be in motion Wait for the platform to settle.

The object on the scale may be larger than the
maximum value allowed

The load cell transducer, connector, or cable may
be damaged

The buttons may be damaged Check for visible signs of

The scale's memory has failed Contact your service department.

The scale's memory has failed. Contact your service department.

Make sure the platform is not
touching a foreign object or has
anything restricting its downward
motion.

If the weight value is within the
specified range, contact your
service department.

Contact your service department.

damage.

Contact your service department.

The error message A-FAIL is
displayed

The error message C-FAIL is
displayed

The scale's memory has failed Contact your service department.

The scale's memory has failed. Contact your service department.

Appendices

Specifications

Item Specification

Scales 4302

11

Resolution (factory default) 1 g

Weighing capacity 4302-EK and 4302-EX: 11 lb (5,000 g)

4302-XK and 4302-XX: 6.6 lb (3,000 g)

Readout

Power source

Platform dimensions 8.5 in. x 8.5 in.

Large, bright light-emitting diode display.

Selectable weight displayed in pounds or grams.

Indicator light to show selected units.

Battery

• 6 C alkaline batteries

Power adapter

• Medical grade UL listed external power supply

• Nominal input voltage: 100-240V AC ±10%

• Nominal input frequency: 50/60 Hz

• Nominal input current: 0.3-0.15Arms @ max load

• Standby power consumption at UIn: 230V AC : ≤ 0.1W

• Nominal output voltage: U

• Nominal output current: I

: 12V DC +5% / -5% UBr : ≤ 150mVpp

out

: 1000mA

out

12

Appendices Welch Allyn Diaper and Organ Scale

Product configurations

The Welch Allyn Diaper and Organ Scale is available in the following configurations:

Model 4302, Diaper and Organ Scale

Model Description

4302-EX Diaper and Organ Scale, extended capacity, standard weight

4302-XX Diaper and Organ Scale, standard capacity, standard weight

4302-EK Diaper and Organ Scale, extended capacity, grams only

4302-XK Diaper and Organ Scale, standard capacity, grams only

Approved accessories

Part number Description

Warranty

341001 Power adapter

Welch Allyn will warranty the weight scale to be free of defects in material and
workmanship and to perform in accordance with manufacturer specifications for the
period of one year from the date of retail purchase.

The warranty period shall start on the date of purchase. The date of purchase is: 1) the
invoiced ship date if the device was purchased directly from Welch Allyn, 2) the date
specified during product registration, 3) the date of purchase of the product from a
Welch Allyn authorized distributor as documented from a receipt from said distributor.

This warranty does NOT cover damages caused by misuse or abuse, including but not
limited to:

•

Failure caused by unauthorized repairs or modifications

• Damage caused by shock or dropping during transportation

• Damage caused by improper use of the power supply

• Failure caused by improper operation not consistent with the instructions stated in
this Directions for use

Should this device require maintenance (or replacement at our option) under warranty,
contact your local Welch Allyn representative: http://www.welchallyn.com/en/other/

contact-us.html

Material No. 724498