31 of 32
© 2007
D 161 - 08/07
Error Messag
e
Description
BUS ERR
OR
Due t
o
an open or shor
t cir
cuit, communication is lost wit
h t
he tN4 bus. Check t
he wir
es f
or damage
or loose connections. Check t
he wir
es f
or continuit
y.
The err
or message will clear once t
he err
or
condition has been corr
ect
ed.
No
te
:
In some cases, t
he se
tpoint contr
ol is int
entionally r
emo
ved fr
om t
he tN4 sy
st
em. Pr
ess t
he
Up and Do
wn butt
ons t
o
ge
th
er t
o
clear t
he addr
ess
and se
t Dip 2 t
o
t
he ‘None
’ position.
This will
also clear t
he bus err
or message.
N
O
tN4 S
Y
S
T
EM C
ONTR
OL
DIP swit
ch 2 is se
t t
o
tN4 Sy
st
em Contr
ol and t
he se
tpoint contr
ol does no
t de
te
ct t
he tN4 Sy
st
em
Contr
ol. Once t
he tN4 Sy
st
em Contr
ol is de
tect
ed, t
his err
or will clear aut
omatically
.
No
te
:
If a tN4 Sy
st
em Contr
ol is no
t installed, se
t t
he tN4 Sy
st
em Contr
ol DIP swit
ch 2 t
o
None.
ADDRESS ERR
OR
Tw
o tN4 de
vices ha
ve
been manually se
t t
o
t
he same addr
ess. The se
tpoint contr
ol continues t
o
operat
e wit
h t
his err
or but does no
t communicat
e wit
h t
he tN4 bus. T
o
clear t
his err
or
, manuall
y
select an unused addr
ess. This can be done aut
omatically b
y se
tting t
he A
ddr
ess it
em t
o
A
u
to
.
DEVICE LIMIT
Ther
e ar
e mor
e
t
h
an 2
4
de
vices on t
he tN4 bus. The additional de
vices must be r
e
mo
ved and
reconnect
ed t
o
a dif
fe
rent tN4 bus if possible.
Error Messag
es (2 of 4)
No
te
:
Err
or Messages ar
e only visible while in t
he A
d
vanced or Installer access le
ve
l.
