Linear DVS 2408 Trouble

Power Light ON = Normal
DIM = AC Power Failure
FLASHING = Low Backup Battery
Batteries Light Sensor Low Battery, press * for 2 seconds to view sensor
Trouble Light Sensor Failure, press * for 2 seconds to view sensor
(Batteries Light may also turn on indicating sensor low battery)
Test Keypad Holding TEST will turn on all keypad lights
Test System 1. Enter User Code + TEST (1 beep)
2. Zone lights flash each untested zone
3. As Zone is tested its light will turn off
4. Test finishes when all zones are activated
(Test Wireless Keypads by holding AUTO key on keypad)
Radio Trouble 1 or more sensors have not checked in