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Troubleshooting Guide
CONTROL
SYMPTOM POSSIBLE CAUSE REMEDY
1. The word “AC” is not
displayed.
1a. Interrupted AC power supply.
1a. Check transformer connection and
powerline circuit breaker.
2. Digital communicator
message not being
received.
2a. System in Test mode.
2b. Telephone connection not secure.
2c. Digital communicator
malfunctioning.
2d. Telephone number in program needs
prefix or access code.
2e. Telephone call to central monitoring
station requires operator assistance.
2a. Remove from Test mode.
2b. Check all connections.
2c. Check with a different CONTROL
PANEL.
2d. Program prefix or access code into the
CONTROL PANEL.
2e. System cannot work in this situation.
3. Does not arm properly.
READY light not on.
Open or faulted zone(s)
Check for faulted zones and make intact,
or use Bypass arming, if desired.
4. System doesn't respond to
keystrokes on keypad.
4a. "CC" displayed.
4b. "d1" displayed.
4a. System is in communication with
downloader at central station.
4b. System has just been powered and is
in its one minute initialization.
4a. Wait until download session is
finished.
4b. Wait for initialization to finish, or
bypass this time by pressing '#' + '0.'
SMOKE DETECTOR
SYMPTOM POSSIBLE CAUSE REMEDY
1. Detector alarms, no
apparent reason.
1a. Dust, dirt in sensing chamber.
1b. Improper location.
1c. Unit malfunctioning.
1a. Clean unit's sensing
chamber with vacuum
cleaner per unit's
instructions.
1b. See unit's instructions
for locations to avoid.
Relocate as necessary.
1c. Replace detector.
2. Detector's siren sounds.
2a. Unit not receiving required power.
2b. Unit malfunctioning.
2a. Check for proper
installation of battery.
Try new battery.
2b. Replace detector.