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Concord 4 Series Security Systems 41
Touchpad/Voice Feedback
After Pressing * Key
Trouble Condition
AC POWER FAILURE The panel power transformer may be unplugged or there may be an AC power outage. If
the transformer is plugged in, check the circuit breaker or fuse that controls that outlet.
The backup battery will take over, but if AC power is not restored within 15 minutes, the
system will alert you and the central monitoring station (if your system is monitored). It
reports again when power is restored.
LOW BATT The emergency backup battery in the control panel is low and must be recharged or
replaced. If AC power is out, the security system may shut down once the battery is below
the operating level. When AC power is restored, the panel recharges the battery. If the
trouble condition exists more than 24 hours after AC power is restored, call your security
dealer for service.
SENSOR SUPERVISORY There is a problem with how the sensor is communicating with the panel.
1. Test the sensor in Test Mode.
2. If testing the sensor does not clear the trouble condition, call your security dealer for
service.
SENSOR TROUBLE A sensor may have an internal problem or a fire/smoke sensor may not have properly reset
after activation, or the sensing chamber may be dirty or partially obstructed.
1. Test the sensor in Test Mode.
2. If testing the sensor does not clear the trouble condition, call your security dealer for
service.
SENSOR XX LOW BATTERY A sensor has a low battery.
1. Disarm the system.
2. Remove the sensor cover. If the battery is an Alkaline AA or AAA, change the battery.
If the battery is any other type, call your security dealer for service.
SENSOR XX TAMPER A sensor cover is off or open. Secure the cover and trip the sensor to clear the tamper
condition.
PHONE FAILURE TROUBLE The system can’t communicate with the central monitoring station. The system tries to
report to the central station three times before indicating Phone Failure Trouble, then
makes five more reporting attempts.
1. Make sure the panel is connected to the special phone jack installed by your security
dealer.
2. Disconnect the panel from the special phone jack and check phones for dial tone. If
you hear a dial tone, call your security dealer for service. If you don’t hear a dial tone
from any phones, telephone service in your area may be out.
Phone Failure Trouble takes precedence over other system problems, so you must clear
the Phone Failure message (by disarming the panel) before you’re able to see other sys-
tem messages.
RECEIVER INTERFERENCE
or RECEIVER FAILURE
There is a receiver failure or receiver interference problem. Call your security dealer for
service.
MEMORY FAILURE or all text
is lit on a fixed display touch-
pad
There is a system memory failure. Call your security dealer for service.
AUXILIARY PHONE TROU-
BLE X
There is a problem with the cellular backup reporting portion of your system. Call your
security dealer for service.
AUX POWER FAIL There is a problem with the power supplied to parts of the system. Call your security dealer
for service.
BUS FAILURE UNIT NN There is a problem with one of the peripheral devices in your system. Call your security
dealer for service.