Pinnacle Systems STTS - Manual (Page 28)

22
DISPLAY CODES & MESSAGES (Continued)
CODE MESSAGE POSSIBLE CAUSE(S) POSSIBLE CURE(S)
21 Zone 1 relay off,
should be on
Relay found in the wrong state
1) Circuitry failure
2) Relay failure Call for assistance
22 Zone 2 relay off,
should be on
" "
23 Zone 3 relay off,
should be on
" "
24 Zone 1 relay on,
should be off
“ “
25 Zone 2 relay on,
should be off
" "
26 Zone 3 relay on,
should be off
" "
27,29,
31
External relay contact
welded / cut
(Zone 1,2, or 3)
External relay check input
remained open (0 volts)
while the zone was de-
energized
When the zone is de-energized (RED)
your external relay must close with
1/4 sec.
28,30,
32
External relay contact
short
(Zone 1,2, or 3)
External relay check input
remained closed (voltage
applied) while the zone was
energized
When the zone is energized the
secondary pole of your external relay
(N.C.) must open up within 1/4 sec.
33 Mat # out of
sequence
The master and slave
processors disagree on which
sequence they are on
Could have an electrical noise
problem causing one of the
processors to loose sequence
34 Ram failure Microprocessor failed the
internal memory test
Call for assistance
35 Power failure 1) Circuitry failure
2) Brown out Call for assistance
36 Watchdog failure Watchdog circuitry failure Call for assistance
37 Serial data corrupted Electrical noise getting into the
control box causing the
corrupted data.
Place MOV's across the coil of any
device (outside this control) switched
on/off by the relay outputs of this
controller
38 Serial data
transmission
incomplete
Electrical noise getting into the
control box causing one of the
computers to reset
"
39 Master relay on,
Slave relay off
The master processor
disagrees with the slave
Call for assistance
40 Slave relay on,
Master relay off
The slave processor disagrees
with the master
"