Exchanging Internal Parts - Agilent Technologies 1100 Series Reference Manual

4 Repairing the Detector

Exchanging Internal Parts

The following procedures require opening the main cover of the detector. Always
WA R N I N G
ensure the detector is disconnected from the line power when the main cover is
removed. The security lever at the power input socket prevents that the detector
cover is taken off when line power is still connected.
To disconnect the detector from line, unplug the power cord. The power supply still
WA R N I N G
uses some power, even if the switch on the front panel is turned off.
To prevent personal injury, be careful when getting in contact with sharp metal
areas.
When working with solvents please observe appropriate safety procedures (for
example, goggles, safety gloves and protective clothing) as described in the
material handling and safety data sheet supplied by the solvent vendor, especially
when toxic or hazardous solvents are used.
The electronics of the detector will not allow operation of the detector when the top cover
N O T E
and the top foam are removed. A safety light switch on the main board will inhibit the
operation of the fan immediately. Voltages for the other electronic components will be
turned off after 30 seconds. The status lamp will lit red and an error will be logged into the
logbook of the user interface. Always operate the detector with the top covers in place.
Electronic boards and components are sensitive to electronic discharge (ESD). In order
C A U T I O N
to prevent damage always use an ESD protection (for example, the ESD wrist strap
from the accessory kit) when handling electronic boards and components, see
the ESD Strap"
138
on page 98.
1100 Series DAD and MWD Reference Manual
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