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Chapter 1 General Information 1
1
General Information
Introduction
This guide tells you how to install, service, and repair an Series 50 A (M1351A) and an
Series 50 IP/IP-2 (M1353A) fetal monitor. Throughout this book, the M1353A is referred
to as the IP-2. This also covers the IP, unless stated otherwise. It describes the system
hardware and software, and tells you how to test the system and diagnose operating and
service problems.
It gives instructions for both the Series 50 A and the Series 50 IP/IP-2 monitors. The
features available on the monitor you are installing or servicing depend on which options
have been purchased. If your monitor does not have a described parameter, you can skip
that part of the instruction and move on to the next point.
Who Should
Read This Guide
The manual is for anyone who services and repairs Series 50 A (M1351A) and Series
50 IP/IP-2 (M1353A) fetal monitors. You must understand English and be familiar with
current conventional technical terms.
What to do
Next
Familiarize yourself with the contents of this guide before attempting to install or service the
monitor.
Repair Strategy
Reading operating error messages and the error log helps you to determine whether a fault is
a hardware or software problem. Faults may be repaired by replacing a board when possible,
or exchanging the monitor. Repair or replacement of components on the boards should not
be attempted.
After any repairs you must carry out the following tests:
Performance test, by running the Self Test (see page 65).
Quick Test (see page 66).
Parameter Test (see page 68).
You must also perform the appropriate safety tests (see the section “Safety Testing” on
page 100).
A series of preventive maintenance tasks and performance assurance tests must be carried
out regularly to ensure the proper functioning of the monitor: these are described in
“Regular Maintenance” on page 96.