TM 5-6350-264-14&P-9
NAVELEX EE 181-AA-OMI-100/E121 DZ-204
T. O. 31S9-2FSS9-1-9
moisture, and bits of wire or solder
tempted the Audible Alarm must be
inside the housings.
disabled.
NOTE
Touchup paint is recommended instead
of refinishing whenever practical.
While
performing
maintenance
or
(6) Inspect all metal surfaces intended
troubleshooting on the Audible Alarm, ensure
to be painted for condition of finish
that test points and terminals are never
and legibility of panel lettering.
grounded or shorted to each other or to the
chassis This will cause serious damage to the
internal components.
HIGH VOLTAGE is used in the operation of
this equipment DEATH ON CONTACT may
result if personnel fail to observe safety
When taking measurements with a multimeter,
precautions Learn the areas containing high
ensure that the meter is set to the proper scale
voltage in the equipment. Be careful not to
and range before inserting probes into the
contact high voltage connections when
circuit.
installing or operating this equipment Never
work on electronic equipment unless there is
f. To disable the Audible Alarm (AA) for
another person nearby who is familiar with the
maintenance or troubleshooting, notify proper
hazards of the equipment and is competent in
authorities
per
installation/site
security
administering first aid.
procedures Enter the Control Unit area and turn
the operating mode switch (key operated) to
TEST/RESET position If the audible signal
device in the CU sounds, ignore it for a moment.
Inspect the Control Unit door to ensure that it is
Power to the J-SIID system must be shut down
flat, straight, and completely closed.
Open
before any repairs or replacements can be
the door, pull the Tamper Alarm Switch (TAS)
performed on the Audible Alarm.
plunger all the way out, and ensure that there is
no debris between the door and enclosure.
NOTE
The Audible Alarm presents a noise hazard to
There are six Light Emitting Diodes (LED's) on
personnel in the area The noise level exceeds
PC board A12 in the upper right corner of the
the allowable limits for unprotected personnel.
Control Unit Note any of these LED's that are
Authorized ear protective equipment must be
on Any LED that is on indicates a sensor that
worn by all personnel in the work area Before
has been activated and should be investigated
any troubleshooting procedures are at
before troubleshooting the Audible Alarm.
5-2