TM 5-6350-264-14&P-10
NAVELEX EE 181-AA-OMI-110/E121 C-9412
T.O. 31S9-2FSS9-1-10
Table 5-2. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
3. Alarm
Improper adjust-
If alarm sounds after entry and before mode
sounds
ment of
switch can be turned to ACCESS, or if
during
entry/exit
alarm sounds after mode switch is turned
entry/exit
time delay
to SECURE and before exit from secure
time delay
area, refer to TM5-6350-264-14/1, System
Manual, for adjustment of entry or exit time
delay.
NOTE
If Data Transmitter is installed, it must
be removed to reach TB8-F through
TB13-E. Remove screws that secure
transmitter and carefully move it aside.
Reinstall transmitter after tests.
4. No alarms
a. Bad duress
a.
Set multimeter to dc volts and connect nega-
intrusion
tive lead to chassis. Connect positive
or tamper
lead to TP1 (brown) on PC board Al.
switch
Disconnect and then reconnect wire on
circuitry.
TB8-F-1. Repeat these steps for PC
board A2 and TB9-A-1 through PC
board A6 and TB13-E-1. Meter should
indicate 0 volts with wire connected
and 18.5 to 21 vdc with wire discon-
nected.
b.
If meter indications are incorrect for any
steps, replace the PC board(s) being
tested.
c.
Connect positive meter lead to TP2 (red) on
PC board A1. Disconnect and then
reconnect wire on TB8-F-3. Repeat
these steps for PC board A2 and
TB9-A-3 through PC board A6 and
TB13-E-3. Meter should indicate
0 volts with wire connected and 18.5
to 21 vdc with wire disconnected.
d.
If meter indications are incorrect for any
steps, replace the PC board(s) being
tested.
(1)
To remove PC board, turn off switch
S1 on top of power supply. Place
thumb or finger under board
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