Welch Allyn vital Signs preventive maintenance

Today I am performing an annual preventive maintenance checks on a Welch Allyn vital signs machine. Always refer to your service manual for troubleshooting and specifications.

[@manuelgomez6182]

How can I contact you for more information?

[@d.i.yeddie6075]

My Email is on my profile

[@BobRooney290]

$1000 for that thing and it cant even provide internal calibration control? thanks for the video, i almost bought one, but decided to go with another brand.

[@d.i.yeddie6075]

Glad to help out !

[@linnethcordova6576]

What's the name of the test equipment you're using?

[@d.i.yeddie6075]

Electrical safety analyzer and patient simulator

[@unknownhomesteader318]

My Welch Allyn 420 comes up with a error code of E42 when attempting to take BP. Any ideas, the troubleshooting card just says internal error. Thanks!

[@d.i.yeddie6075]

Good evening you can try this procedure from welch allyn website. Time and date reset, when was the last time the battery was replaced?
www.welchallyn.com/en/service-support/answer-center/troubleshooting/cshm120-spot-shows-e42-error.html