Filter
Top Products
2
5
Service overview
Purpose and scope
This service manual is a reference for periodic preventive maintenance and corrective
service procedures for the Vital Signs Monitor 300 Series.
Corrective service is supported to the level of field-replaceable units. These include some
circuit-board assemblies and some subassemblies, case parts, and other parts. (See
“Replacement parts” on page 87 for a complete list of user-replaceable service parts.)
This guide provides troubleshooting information, assembly procedures, and instructions
for functional testing and performance verification. It is intended for use only by
technically qualified service personnel.
This guide applies only to the Vital Signs Model 300 Series. For servicing the previous
(52000-series) version of the Vital Signs Monitor, refer to Welch Allyn service manual
95P445E, which is available on the TechView CD (900298-1).
Technical support services
Welch Allyn offers the following technical support services:
Telephone support
Loaner equipment
Service agreements
Service training
Replacement service parts
Factory Service
For information on any of these services, contact Welch Allyn at the Technical Support:
numbers listed on page ii.
Note
Repair and replacement of the main board is not supported. All service work on
the main board must be performed by certified and qualified service personnel at
an authorized Welch Allyn service center.
Caution No component-level repair of circuit boards and subassemblies is
supported. Use only the repair procedures described in this manual.
WARNING When performing a service procedure, follow the instructions
exactly as presented in this manual. Failure to do so could damage the monitor,
invalidate the product warranty, and lead to serious personal injury.