Troubleshooting
Siemens Building Technologies, Inc.
6-5
Landis Division
C
C
C
C....
T
T
T
The
he
he
he T
T
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un
un
unk I
k I
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n
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e
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e II
II
II
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T
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TX
X
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X L
L
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D
D
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does
s
s
s no
no
no
not f
t f
t f
t flllla
a
a
as
s
s
sh
h
h
h....
1.
Check wiring polarity between the Trane and the Trunk Interface II (refer to
installation instructions).
2.
Contact a Trane representative to make sure the Trane system has been installed
and certified, and that it operates according to their procedures.
3.
Contact your local Siemens Building Technologies representative.
D
D
D
D....
T
T
T
The
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P
P
Po
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D
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ont
t
t
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of t
f t
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f the
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e
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e II
II
II
II is
is
is
is no
no
no
not
t
t
t lilililitttt....
1.
Verify that the proper power supply is being used.
2.
Verify that the Trunk Interface II power supply is plugged into a live electrical outlet.
3.
Verify that the power supply is securely plugged into the socket on the back of the
Trunk Interface II.
4.
Contact your local Siemens Building Technologies representative.
E
E
E
E....
T
T
T
The
he
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he P
P
P
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ow
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D
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on
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he T
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unk I
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e II
II
II
II is li
is li
is li
is litttt,
,
,
, bu
bu
bu
but t
t t
t t
t the
he
he
he D
D
D
DT
T
T
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R
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L
L
LE
E
E
ED
D
D
D is
is
is
is no
no
no
not
t
t
t lilililitttt....
1.
Verify that the cable between the Trane and the Trunk Interface II is properly
connected, and has the correct pin assignments.
2.
Contact your local Siemens Building Technologies representative.
P
P
P
Po
o
o
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n
n
nt
t
t
t O
O
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p
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attttiiiion
on
on
on
Which of the following best describes the problem?
A
A
A
A....
A
A
A
All
ll
ll
ll tttthe
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he P
P
P
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Te
e
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errrrm
m
m
miiiin
n
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na
a
a
attttiiiion Modu
on Modu
on Modu
on Modulllle
e
e
e ((((P
P
P
PT
T
T
TM
M
M
M)
)
)
) po
po
po
poiiiin
n
n
ntttts i
s i
s i
s in
n
n
n a
a
a
an en
n en
n en
n enc
c
c
cllllo
o
o
os
s
s
su
u
u
urrrre
e
e
e rrrre
e
e
ea
a
a
ad
d
d
d
ffffa
a
a
aililililed
ed
ed
ed ((((*
*
*
*F
F
F
F*
*
*
*).
).
).
).
1.
Check that the power to the field panel is turned ON.
2.
Check that all electrical connections are secure.
3.
Ensure that only one Open Processor or Controller Module has the M-bus enabled.
4.
Contact your local Siemens Building Technologies representative.