How to find a system trouble on the DS7090

  Enter a valid code #87 to display the Trouble, and observe the zone lights: 

1. Light 1 = AC power failure

2. Light 2 = Low or missing battery

3. Light 3 = Communicator failed to communicate

4. Light 4 = AUX power shorted

5. Light 5 = Internal system fault EEPROM

6. Fire light = Internal system fault EEPROM, RAM

After correcting the problem, reset the flashing power light by entering a valid pass code # 87 *.