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Exception codes for Beam sensor
Gen
type
Pos
No.
Description
Exception codes
normal band sub fault band
fault band
0
1
2
3
E
N
V
I
O
R
N
M
E
N
T
1st
Subfire
background
None
Small signal
sensed [Check
location, state
& type]
Subfire
[Check location,
state & type]
2nd
Subfire
foreground
None
Small signal
sensed [Check
location, state
& type]
Subfire
[Check location,
state & type]
3rd
4th
Total beam
obscuration
OK
Obscured for
>1 minute or
Tx failed
[Replace]
S
E
N
S
O
R
5th
Drift out of
range high
OK
Gain not set
correctly
[Check gain
/replace]
6th
Drift out of
range low
OK
Out of
Specification.
[Clean/check
gain/
repair]
Below lower
limit
[Clean/check
gain/replace]
7th
Noisy (High
frequency)
OK
Single HF fall
seen
Multiple HF fall
seen
8th
D
E
V
I
C
E
9th
device
firmware
OK
Isolated fault
[Note/report]
Repetitive fault
[Note/report/
replace]
Total failure
[Replace]
10th
device
transmission
OK
Low error rate
Medium error
rate
[Report]
High error rate
[Replace]
4188-856_i2_12/06_Generic Vigilon (C VA) Comms.
55
Vigilon (EN & BS) Compact (VA) panels
Device
checks