D400-73-00 14 I56-2294-03R
Appendix I. Operation Modes and Troubleshooting Guide
Modes
Red
Y
ellow
,
Remote
Trouble Out
Green
Dual Digital Display
Readout
Initiating means
Alarm
Contacts
Fault
Contacts
Comments & T
roubleshooting T
ips
Alarm
Remote
Normal
Of
f
Of
f
Blink
Of
f
Successful completion of initialization or detector reset
Open
OFF
Close
Alignment
Of
f
On
Of
f
On, Relative amount of signal 0-99, or – if automatic gain resetting, or Lo if signal is too low
Alignment Switch
Open
OFF
Open
Alarm
On
Of
f
Of
f
Of
f
Smoke,
Test Filter
, R
TS451/
KEY
Close
ON
Close
Trouble-Drift Comp Elevated Signal
Of
f
3 Quick Blinks
Blink
Of
f
Long
Term Drift Reference Out
of Range
Open
OFF
Open
• Sunlight into detector or reflector
.
• Re-Align detector
.
Trouble-Drift Comp Reduced Signal
Of
f
2 Quick Blinks
Blink
Of
f
Long
Term Drift Reference Out
of Range
Open
OFF
Open
• Clean detector and reflector
.
Trouble-Signal Over Range
Of
f
2 Quick Blinks
Blink
Of
f
Increase of Reflected Signal
Open
OFF
Open
•
Inspect line of sight between detector and reflector for reflective objects in the pathway
.
Trouble-Beam Blockage Initial Response
Of
f
4 Quick Blinks
Of
f
Of
f
Beam Blockage
Open
OFF
Open
• Remove blockage. • Faulty unit.
Trouble-Beam Blockage Long
Term
Response
On
4 Quick Blinks
Of
f
Of
f
Beam Blockage
Close
OFF
Open
• Remove blockage. • Faulty unit.
Initialization- Power on
Of
f
Blink until complete
Blink
Of
f
Apply Power from discharged state.
Open
OFF
Close
Initialization- alignment exit
Of
f
Blink until complete
Blink
Of
f
Depressing RESET
switch
after alignment
Open
OFF
Close
Local
Test
(BEAM1224S) Pass Result
On
Blinking the amount of drift used.
Of
f
Of
f
R
TS451/KEY
Close
ON
Close
Detector remains in alarm until reset or time-out
Local
Test
(BEAM1224S) Fail Result
Of
f
On until reset or time-out
Blink
Of
f
R
TS451/KEY
Open
OFF
Open
Detector remains in fault until reset or time-out
Local
Test
(BEAM1224) Fail Result
Of
f
Per fault mode
Blink
Of
f
R
TS451/KEY
Open
OFF
Open
If local test fails will already be in fault
Local
Test
(BEAM1224) Pass Result
On
Blinking the amount of drift used.
Of
f
Of
f
R
TS451/KEY
Close
ON
Close
Blinks output by Yellow
LED and Remote Trouble
Output once the device
has passed a local
remote test:
Percent the
detector has
drifted
Number
of blinks
output
<10%
None
<20%
1
<30%
2
<40%
3
<50%
4
<60%
5
<70%
6
<80%
7
<90%
8
<100%
9