NAVELEX EE 181-AA-OMI-110/E121 C-9412
Figure 5-4. Status Processor Connector Identification
The Audible Alarm presents a noise
hazard to personnel in the area. The
noise level exceeds the allowable limits for
unprotected personnel. Authorized
protective equipment must be worn by all
personnel in the work area.
While performing maintenance or troubleshooting on the
Control Unit, ensure that test points and terminals are
never grounded or shorted to each other or to chassis.
This will cause serious damage to the internal
When taking measurements with a
multimeter, ensure that the meter is set to
proper scale and range before inserting
probes into the circuit.
If the Audible Alarm is installed, it must be
disabled BEFORE any troubleshooting
procedures are attempted. Disabling the
alarm requires setting the key-operated
switch on Control Unit to TEST/ RESET
position, opening Audible Alarm, removing
faceplate, and turning off power switch.
After troubleshooting, the Audible Alarm
must be reactivated. Activating the Alarm
requires setting the key operated switch on
Control Unit to TEST/RESET position,
turning Alarm power switch on, replacing
faceplate, closing and locking Audible