P/N UMBTSetUpInstructions REV20210811
10
TROUBLESHOOTING
USB Wireless Dongle Fault Symptoms
Problem
Possible Cause
Suggested Action
No
Communication
USB wireless dongle
out of communication
range
Check that the distance between the scale
and Connex
®
device is less than ~328ft
(100m)
Serial number on wireless
dongle does not match the
BT Device Number on the
scale.
Check that the BT Device Number on back of
the scale’s display head matches the Serial
Number on the USB wireless dongle. If the
number does not match contact Customer
Service at 1-800-815-6615.
Wireless network
interference
Move scale or Connex
®
device away from
nearby wireless devices
Welch Allyn Connex Fault Symptoms
Problem
Possible Cause
Suggested Action
No Weight,
Height, Body
Mass Index
(BMI) Displayed
on Connex
®
device
Weight scale
communication license
NOT activated on the
Connex
®
device
*Weight scale communication is already
enabled on Welch Allyn
®
Connex
®
Spot
monitors.
To enable weight scale communication on
the Welch Allyn
®
CVSM, follow these
steps.*
a) Connect the CVSM to a PC to access
the Welch Allyn
®
Service Tool. This
service tool comes with the Welch Allyn
®
device or can be downloaded at
www.welchallyn.com/en/service-
support/service-center/service-tool.html
b) Follow the prompts in the Service Tool
to activate the weight scale license.
c) Activate the license by entering the
authorization code A66FF29A3B2F85E1
For assistance with the Welch Allyn
®
Service Tool, please contact a Welch
Allyn
®
representative or visit
www.welchallyn.com/
