Power Failure Alarm; Troubleshooting - Radio Shack Invisible Beam Entry Alert Owner's Manual

4. The built-in buzzer sounds and/or the external siren, dialer,
or alarm system is activated.
5. To conserve the backup DC source's power, set the mode
switch to
TEST/OFF
tion.
6. Reconnect the AC adapter.

POWER FAILURE ALARM

When both AC power and the backup DC source are off, the
alert triggers an external device (such as a phone dialer or an
alarm system).
ˆ

Troubleshooting

We do not expect you to have problems with your Invisible
Beam Entry Alert, but if you do, refer to this table to find possi-
ble causes and remedies. If your alert is still not operating prop-
erly, take it to your local RadioShack store for assistance.
Problem Possible Cause
The external siren
(or another con-
The in-line fuse is blown.
nected device) does
not operate.
The alarm sounds
when the infrared The sensor is set out of
beam is not broken, range, causing it to oper-
giving off false ate erratically.
alarms.
as soon as you confirm proper opera-
Solution
Replace the fuse with one of
the same size and type (see
"Replacing the Fuse" on
Page 18).
Position the alert and the
reflector within 3 to 50 feet of
each other. Adjust
TIVITY
so the false alarm
stops.
Troubleshooting
SENSI-
17