ADT Security Services Power 864 User Manual
Page 6

2
➊
Displays (LCD Keypads):
Fixed Message Display (LCD5501Z Keypad)
Shows the status of your security system using an LCD 
showing fixed words
/icons and numbers. The display is
described below.
Liquid Crystal Display (LCD5500Z Keypad)
The LCD shows prompts and system information on 
two 16-character lines.
Press the
keys on the number pad as
prompted by the LCD to view alarms or troubles, to 
arm and disarm the system and to bypass zones.
➋
Status Lights (All Keypads):
Ready Light 
If the Ready light is ON, the system is ready for arm-
ing. The system cannot be armed unless the Ready 
light is ON (see “Getting Ready to Arm Your System” 
on page 6).
Armed Light 
If the Armed light is ON, the system has been armed 
successfully. 
Trouble Light 
A flashing Trouble Light indicates AC Trouble
.
If the
Trouble light is ON, see “Identifying Trouble Condi-
tions” on page 17.
➌
Number Pad (All Keypads):
To select a function press
. To exit a function and
return to the Ready state, press
.
➍
Function Buttons (All Keypads):
If your installer has enabled them, you can use the 
function buttons to access the Stay arm, Away arm, 
door chime, sensor reset and quick exit features by 
pressing and holding a button for two seconds. Refer 
to the manual for more information on these features.
➎
Arrow Keys (LCD5500Z Keypad Only):
If “< >” appears, more information can be accessed 
by using the 
keys. Press
to see the pre-
vious function or item of information. Press
to
advance the display to the next function or item of 
information.
➏
Emergency Keys (All Keypads):
Press both
* keys for two seconds to send a Fire
message. Press both
* Keys for two seconds to
send an Auxiliary message. Press both
* Keys for
two seconds to send a Panic message.
IMPORTANT:
*(All Keypads) The Fire, Auxiliary
and Panic keys will NOT function unless pro-
grammed by the installer. If these keys are in ser-
vice and the installer has enabled audible 
feedback, holding down the key for two seconds 
will cause the keypad sounder to beep indicating 
that the input has been accepted and sent.
➐
Zone Lights (PC55XXZ Keypads):
The system uses the zone lights to indicate zone 
alarms, troubles, alarms in memory, and to aid pro-
gramming.
➑
Function Indicators (LCD5501Z and
PC55XXZ Keypads):
Memory 
Upon disarming, if an alarm has occurred while the 
system was armed, the Memory indicator will turn on 
(See “Viewing Alarms in Memory” on page 13).
Bypass 
If the Bypass indicator is ON, one or more zones are 
bypassed (See “Bypassing Zones” on page 15).
Fire 
If the Fire indicator is on, a fire alarm has occurred 
(See “Fire Alarms” on page 12).
Program
The Program indicator will flash when you are pro-
gramming access codes, or performing other pro-
gramming functions. If someone is programming at 
another keypad, the Program indicator will turn ON to 
indicate that the system is busy.
IMPORTANT:
Test system weekly and have any
system trouble conditions corrected by your 
alarm installer.
