22 Chapter 1
Overview
Before You Start Troubleshooting
Before You Start Troubleshooting
Before troubleshooting, complete the following tasks:
❏ Familiarize yourself with the safety symbols marked on the instrument and
read the general safety considerations in the front of this guide.
❏ Read the ESD information below.
❏ Familiarize yourself with the troubleshooting information in Chapter 2, “Boot
Up and Initialization Troubleshooting”, and how it relates to information on
troubleshooting the other assemblies.
WARNING These servicing instructions are for use by qualified personnel only. To avoid
electrical shock, do not perform any servicing unless you are qualified to do
so.
WARNING The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the product from all voltage sources while it is being
opened.
WARNING The detachable power cord is the instrument disconnecting device. It
disconnects the mains circuits from the mains supply before other parts of the
instrument. The front panel switch is only a standby switch and is not a LINE
switch (disconnecting device).
CAUTION Always position the instrument for easy access to the disconnecting device
(detachable power cord).
WARNING To prevent electrical shock, disconnect the analyzer from mains before
cleaning. Use a dry cloth or one slightly dampened with water to clean the
external case parts. Do not attempt to clean internally.
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