Trouble Conditions; General Information; Check" And "Battery" Displays; Telephone Line Failure - ADEMCO Vista-20HW Installation Instructions Manual

Trouble Conditions
(See Troubleshooting Guide also)
General Information
The word "CHECK on the Keypad's display, accompaniedby a rapid
"beeping"at the Keypad, indicatesthat there is a trouble conditionin the
system. The audible warning sound can be silenced by pressing any key.
Instructusers to call for serviceimmediately upon seeingany of the following
messages.
"Check" and
A display of "CHECK' and one or more zone numbers indicatesthat
"Batte@' Displays a problemexistswith the displayed zone(s)and requiresattention.
Note:
The control will sense a high resistance in the loops on hard-wired
zones 2-8 and display "CHECK" and the affected zone number when the
system is in the disarmed mode. It will not be possible to arm the system
as long as this condition exists (unless this zone is bypassed). If the
system is in the armed mode when the high resistance condition occurs,
this display will not appear, but will do so as soon as the system is
disarmed. Check the sensor or the loop wiring for the displayed zone.
When the problem has been corrected, the display can be cleared by
entering the OFF sequence (code plus OFF key) twice. *
A display of "CHECK" and 09 indicates that communication between
control and a zone expander or wireless receiver is interrupted. Check the
wiring and DIP switch settings on the units.
. A display of 'RAT' (Fixed-word keypads)or 'SYSTEM LO BAT' (Alpha
keypads)with no zone number indicates that the system'smain standby
batteryis weak.
Telephone Line Failure
A display of "94" (Fixed-wordkeypads),or "Telco Fault" (Alphakeypads),
indicatesthat a monitoredtelephoneline (if programmedin field *2) has
been cut (or disconnected). " Depending on howthe system was programmed,
the keypadmay also producea troublesound,and the externalsoundermay
be activated(silenceby enteringinstallercodeplus OFF).
Power Failure
" If there is no keypad display at all, and the POWER indicator (if
present) is not lit, operatingpowerfor the system has stoppedand the
systemis inoperative.
If the message "AC LOSS" (Alpha keypads) or "NO AC" (Fixed-word
keypads)is displayed, and the POWER indicator (if present) is off,
the keypadis operatingon batterypoweronly.
If the battery standby capacity is used up during a prolonged AC
power outage, the control'sauxiliarypowerwill shut downto minimize
deepdischargeof the battery.
Other Displays
Busy-Standby (dI). If this remainsdisplayedfor more than 1 minute,the
(FixedWord displaysare
systemis disabled.
in parentheses)
Modem Comm (CC) The system is in communicationwith the central
stationfor changeof ftmctionor statusverification.
Coxnm. Failure (FC) A communication failurehas occurred.
Open Circuit (OC) The keypadis not receivingsignalsfromthe control and
sees an opencircuit.
Long Rng Trbl (bF) Back-upLRRcommunication failure.
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